9.Great changes ___________________(take place) in the city, and a lot of factories______________(set up).

8.Professor Wang's talk was very interesting. This was the first time that I______________________(listen) to a famous professor. Many of my classmates_________________(become) interested in English literature since they listened to his talk.

7.This is the second time that I__________________(lose) my mobile phone.

6.I wonder if Mary________________(forget) my number. I___________________(expect) her to call me for the past two hours.

5.Mary: Hi, Jone. I______________(not hear) much from you lately. What have you been doing ?

Jone : I_____________________(research) unexplained things recently.

4.Some villagers say that they_________________(see)UFOs many times.

3.I ____________________(paint) the wall the whole morning, so I am extremely tired.

2.No evidence of life___________________(discover) on any of the plants so far.

1.For the last two years, he ____________________(write) a book on the Second World War, but he _______________(not finish) it yet.

23.It was obvious that the man_______ driving on the free way for almost an hour when he ______that he must come back.

A.　 was ; told　　 B. had been; was told　 C. had been; told　 D. was ; was told

六。动词时态填空