Question

单项选择

( )1.Long time no see!l think you_____a lot.
—Yes.I used to be quiet,but now I'm outgoing.
A.will changed B.were changing C.are changed D.have changed
2.—Your English has improved a lot______.
— Thank you very much.
A.since you joined the English club last month
B.since you join the Engish club last month
C.before you joined the English club last month
D.for last month
3.—_____has he had the flu?—Since two days ago.
A.How long B.How often C.How soon D.When

Answer 1

【D】
很久没见，我认为你应该改变了很多了吧。（完成时）
【A】自从你上个月加入英语俱乐部以来，你的英语提高了很多。时间状语中有last month 要用过去时joined。
【A】句子是完成时，和how long 连用。 when是不用完成时的。其他两个意思不对。

Answer 2

D 情况已经发生并对现在产生了影响 A 前边用的现在完成时，要结一段时间 A 根据答语一段时间，提问用how long。 how often是针对频率 how soon 多久，多快