1.Mr.Smith has _____ a bank clerk for five years.A.be B.got C.become D.been 2.I think the best way _____ learn English is to use it as often as possible.A.for B .of C.on D .to 3.They have been friends ______ they met at schoolA.when B.until C.since D

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1.Mr.Smith has _____ a bank clerk for five years.A.be B.got C.become D.been 2.I think the best way _____ learn English is to use it as often as possible.A.for B .of C.on D .to 3.They have been friends ______ they met at schoolA.when B.until C.since D
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1.Mr.Smith has _____ a bank clerk for five years.A.be B.got C.become D.been 2.I think the best way _____ learn English is to use it as often as possible.A.for B .of C.on D .to 3.They have been friends ______ they met at schoolA.when B.until C.since D
1.Mr.Smith has _____ a bank clerk for five years.
A.be B.got C.become D.been
2.I think the best way _____ learn English is to use it as often as possible.
A.for B .of C.on D .to
3.They have been friends ______ they met at school
A.when B.until C.since D.before
4.我已经决定要离开了.
I have _____ _____ leave.
最好说下理由,为什么是这个

1.Mr.Smith has _____ a bank clerk for five years.A.be B.got C.become D.been 2.I think the best way _____ learn English is to use it as often as possible.A.for B .of C.on D .to 3.They have been friends ______ they met at schoolA.when B.until C.since D
1、D 这个是现在完成时的基本用法,has/have been在这里表示成为、是
2、D由learn是动词原形确定系动词用to
3、C have been现在完成时,有since的一般都是现在完成时
4、decided to

D D C been to
先给个满意答案 再说理由!!嘿嘿!!

d d c decided to

1D 史密斯先生佐为一个银行职员已经五年了 现在时句子是:Mr. Smith is a bank clerk.→完成时
2D介词搭配,没道理,背吧
3C have been 表示现在完成时 they met at school是一个过去的时间点,选C 表示自从他们在学校相遇
4 I have decided to leave 决定做某事decide to do s...

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1D 史密斯先生佐为一个银行职员已经五年了 现在时句子是:Mr. Smith is a bank clerk.→完成时
2D介词搭配,没道理,背吧
3C have been 表示现在完成时 they met at school是一个过去的时间点,选C 表示自从他们在学校相遇
4 I have decided to leave 决定做某事decide to do sth

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1.D
2.D
3.C
4.decided to

1 D因为后面出现了 for 是过去完成时所以要用过去分词。
2 D因为有 the best way to do sth 这个搭配
3 C应该是,后面跟的是时间点要用since,如果是时间段要用for。
4 decision to 因为某人决定做某事是 sb decide to do sth 变形来的
可能会有错误,请见谅,我也只是初三而已。...

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1 D因为后面出现了 for 是过去完成时所以要用过去分词。
2 D因为有 the best way to do sth 这个搭配
3 C应该是,后面跟的是时间点要用since,如果是时间段要用for。
4 decision to 因为某人决定做某事是 sb decide to do sth 变形来的
可能会有错误,请见谅,我也只是初三而已。

收起

d d c decided to