2 . We ________ (wait) for him for over an hour when he finally turned up at the meeting. (所给词的适当形式填空)

3 . During the COVID-19 pandemic, many families merely made ends meet. They, nevertheless, ________ (struggle) to live to the full by the end of last year. （所给词的适当形式填空）

4 . The heavy snow________ (fall) for three days. The fields were all white. (所给词的适当形式填空)

5 . The crazy fans ________ (wait) in line since 7 pm and they would wait till the movie star arrived. (所给词的适当形式填空)

7 . The crazy fans ______ patiently for two hours, and they would wait till the movie star arrived.

A．were waiting

B．had been waiting

C．has waited

D．would waited

8 . When Alice woke up, she didn’t know how long she ______ there.

A．was lying

B．lay

C．has been lying

D．had been lying

9 . With rising work pressure in big cities, Zhang Yixuan decided to return to his hometown. Before that, he _________ at a media company since his university graduation.

A．had been working

B．had worked

C．worked

D．has worked

10 . They__________on the program for almost one week before I joined them, and now we ________on it as no good results have come out so far.

A．had been working; are still working	B．had worked; were still working
C．have been working; have worked	D．have worked; are still working