Ⅰ.单句语法填空
1．Mr Li is not at home. He has_gone (go) to Shanghai.
2．This is the first time that she has_visited (visit) the Great Wall.
3．The three of us traveled (travel) around Europe for about a month last summer.
4．This is the most interesting party that I have_enjoyed (enjoy)．
5．A lecture on the computer has_been_given (give) three times by Mr. Zhang already.
6．The unemployment rate in this district has_fallen (fall) from 6% to 5% in the past two years.
7．Miss Green taught (teach) us English last year. She has_taught (teach) us for about 2 years.
8．Mr. Brown has_made (make) a lot of friends since he came (come) to work in New York two years ago.
9．He joined (join) the army two years ago. In other words, he has_been (be) a soldier for two years.
10．It is ten years since I left (leave) my hometown, but it is still in my mind.
