1.Sally____Beijing for Shanghai and_____there ever since.You

1.Sally____Beijing for Shanghai and_____there ever since.You can go and pay her a visit on your way to Hangzhou.（A)
A.has left;worked
B.left;worked
C.has left;had worked
D.left;has worked
2.Did you have a good time last night?
Yes,thank you.I appreciated ____to the concert.(C)
A.to be invited
B.being invitied
C.to have been invited
D.having been invited
3.Each of the students,working hard at his or her lesson,_____to go to university.
So do I.(C)
A.hope
B.hopes
C.hoping
D.hoped
DDB括号里是我一开始选的答案,关键讲一下正确答案的理由.

1.因为有ever since故要用完成时,因为有and连接两动词,故时态要一致,过去完成时是过去的过去,此处用现在完成时即可
2和3题你对答案错
appreciate doing sth固定搭配,appreciate having done表示其动作在谓语动作之前
working hard at his or her lesson是分词短语作状语,可将之去掉来看,不可能选C,因为这样句子就没谓语了
each of作主语谓语单数