答案是什么并且要详细说明为什么1 As we know ,things like that _______ all over the world every day.A.happens B.are happened C.are happening D.will be happened2.My uncle went to Australia last year.We haven't seen him __________.A.since

答案是什么并且要详细说明为什么1 As we know ,things like that _______ all over the world every day.A.happens B.are happened C.are happening D.will be happened2.My uncle went to Australia last year.We haven't seen him __________.A.since
答案是什么并且要详细说明为什么
1 As we know ,things like that _______ all over the world every day.
A.happens B.are happened
C.are happening D.will be happened
2.My uncle went to Australia last year.We haven't seen him __________.
A.since almost a year
B.from almost a year on
C.after almost a year
D.since almost a year ago
3.Catherine ______ the letter before her mother came into her bedroom.
A.has written B.was written
C.had written D.is writing
4.In recent years ,the economy of our country ____ rapidly.
A.is increased B.has increased
C.increased D.has been increased
5.Mr.Johnson’s story _____ by everyone who heard it.
A.laughed at B.was laughed
C.was laughed at D.laughed
6.—What is the weather like this summer here
—There _______ very little rain.
A.has B.has been
C.are D.have been
7.They ______ about eight hundred English words by the end of last term.
A.will learned B.had learned
C.are going to learned D.have learned

答案是什么并且要详细说明为什么1 As we know ,things like that _______ all over the world every day.A.happens B.are happened C.are happening D.will be happened2.My uncle went to Australia last year.We haven't seen him __________.A.since
1.C因为every day.说明是一般现在时,又因为事情不是被发生的,是主动的,且事情是复数,所以are happening
2.D首先 haven't seen 说明是现在完成时,后面可以加for+一段时间和since+时间点,所以A不对,对
3.C 因为 came 说明过去时,又因为这句话表示.Catherine 已经写好信,在她妈妈进来前,所以是过去的过去.
用过去完成时
4在近几年,我们国家的经济取得了高速的发展.In resent years是在不久之前几年,表示已经增长了.还会继续增长所以用现在完成时.不属于过去完成时的两种增长是主动,不是被“增长了..”所以选B
5C吧因为 Mr.Johnson’s story 是被嘲笑,是被动的,而且嘲笑的固定短语是laugh at 所以C
6Bthere be句型,故排除Athere be 句型的主语在后面,本句中是little rain 形容鱼要用单数形式,C D都是复数形式,不行.B采用的是完成时态,因为夏天天气怎么样是发生在提问之前,故用完成时
7D.因为后面的时间状语是by the end of last year.所以句子的时态应该是现在完成时,所以用have learned.
额,本人英语也不咋的,要是有错希望大家指出来,我会改的.

C 主语为复数，且happen需主动
D 自从一年以前没见过
C 她妈进她卧室之前已经写好，过去完成时
B 有recent，要用完成时态
C 被嘲笑，laugh是不及物动词
B there be固定格式，且rain不可数
B 过去完成时

A everyday 所以用一般现在时且不是被动发生。 B since加一段时间表示从那以后到现在，不用再加ago C 过去的过去用过去完成时 D 在最近几年持续上升所以选Has been B 被嘲笑 Be laughed A 有雨而不是一直不停的在下雨 D 到学期结束他们学了。。。，现在完成时...

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A everyday 所以用一般现在时且不是被动发生。 B since加一段时间表示从那以后到现在，不用再加ago C 过去的过去用过去完成时 D 在最近几年持续上升所以选Has been B 被嘲笑 Be laughed A 有雨而不是一直不停的在下雨 D 到学期结束他们学了。。。，现在完成时

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1 As we know , things like that _______ all over the world every day.
A. happens B. are happened
C. are happening D. will be happen...

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1 As we know , things like that _______ all over the world every day.
A. happens B. are happened
C. are happening D. will be happened
C: A不对，因为主语是things复数；BD是被动也不对。
我们都知道，象这样的事世界每天都在发生。
2. My uncle went to Australia last year. We haven't seen him __________.
A. since almost a year
B. from almost a year on
C. after almost a year
D. since almost a year ago
D 自从将近一年前
3. Catherine ______ the letter before her mother came into her bedroom.
A. has written B. was written
C. had written D. is writing
C动作发生在她妈妈进到她卧室前，强调动作已发生。（用wrote也对，因为有before说明了动作先后了。）
4.In recent years , the economy of our country ____ rapidly.
A. is increased B. has increased
C. increased D. has been increased
B: 近年来，我们国家经济发展很快。
5. Mr. Johnson’s story _____ by everyone who heard it.
A. laughed at B. was laughed
C. was laughed at D. laughed
CJohnson先生的故事被听到的每一个人嘲笑
6.—What is the weather like this summer here ?
—There _______ very little rain.
A. has B. has been
C. are D. have been
B一直都没有什么雨。
7.They ______ about eight hundred English words by the end of last term.
A. will learned B. had learned
C. are going to learned D. have learned
B上学期末为止，他们已经学了约800个英语单词。

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C happen是不及物动词。没被动
D since和现在完成时连用
C 过去完成时指用于过去的过去
B In recent years 和现在完成时连用increase rapidly.不及物动词用法
C根据题干要用被动语态
BThere has beenvery little rain.一直雨水少
B by the end of las...

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C happen是不及物动词。没被动
D since和现在完成时连用
C 过去完成时指用于过去的过去
B In recent years 和现在完成时连用increase rapidly.不及物动词用法
C根据题干要用被动语态
BThere has beenvery little rain.一直雨水少
B by the end of last term和过去完成时连用

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