语法题目请分析为什么不选B谢谢"Do u smell smoke?""Yes.Something ( ).A.should have burnedB.must have burnedC.should have been burningD.must be burning

语法题目请解释分析谢谢为什么不选Awhat ( ) do with the car?A.r u about to B.will u be going to C.r u going to D.have u been to 语法题目请分析为什么不选B谢谢Do u smell smoke?Yes.Something ( ).A.should have burnedB.must have burnedC.should have been burningD.must be burning 语法题目请解释分析谢谢为什么不选Bup to now the earthquake ( )no serious damage.A.would do B.had done C.did D.has done 语法题目请解释分析谢谢为什么不选Ayour mother ( ) for u everywhere.where have u been?A.had looked B.has been looking C.looked D.was looking 语法题目请分析为什么不选A谢谢“Have u seen David recently?No.I guess he ( )away on vacation.A.must has beenB.must beC.might have been D.may has been 语法题目请解释分析谢谢为什么不选CHe ( )many experiences he ever ( )in his childhood.A.gradually forget ...had B.is gradually forgetting...had C.was gradually forgetting...had hadD.have gradully forgotten ...had 语法题目请解释分析谢谢为什么不选Cby the time the course ends ( )a lot about culture.A.we'll learnt B.we r leaving C.we have learnt D.we'll have learnt 语法题目请解释分析谢谢为什么不选BMr.Wilson asked me if these islands ( ) Italy.A.have been belonged to B.r belong to C.belong to D.belonged to 语法题目请解释分析A,D里选哪个谢谢By he time i returned ,u ( )this book.A.would have finished B.would finishC.will be finished D.should have finished If I ----plan to do anything I wanted to , I'd like to go to Tibet through as much of it as possiblA would,B could,C hav to D,ought to这题答案是B,为什么不选A?从语法角度讲A也行得通啊请给详细而准确分析,谢谢请问如果 高中化学题目,请写分析原因,谢谢! PUOTO16答案是D，但不知道为什么？ 语法题目请分析这种有逗号的句子什么属性谢谢Beside( ),he had to pay back all the money he had receiced from bribes.A.jailingB.being jailedC.to be jailed D.jailed为什么不能选C 帮忙分析解答一下,请把每项答案都分析为什么选D不选别的!谢谢!_____,this kind of disease can do great harm to people in the area.A.Occurring where B.It occurs where it is C.Wher does it occur D.Where it occurs 语法题目为什么不能选B?by luck,the leak( )no damage yet.A.would do B.had done C.did D.has done为什么不能选B? 周末物理测试问题7题,没懂的,见补充问题为什么不选A,要选B,请帮忙详细分析,谢谢! And in the past two years, U.S. exports to China have more than doubled,请帮忙分析下语法,谢谢! Please point out the mistakes in the sentences, if ________. (Unit8-10)A. go?B. not?C. even?D. any为什么选D不选其它?请分析一下句型或语法. Because of receiving infected blood,he has become ________ HIV.(Unit7-9)A.infected with?B.infecting on?C.infected in?D.infecting with为什么选A不选D?其它选项错在哪里呢?请分析一下语法.