1 . By next summer, Tom________ in the factory for ten years.

A．will be working	B．has been working
C．will have been working	D．has worked

2 . It ________(rain) for a whole week if it rains again tomorrow. (用所给词的适当形式填空)

4 . — Is Sarah still writing her thesis?
—Yes. By the end of the week, she ________ on it for three whole months.

A．will work

B．will have worked

C．has been working

D．will have been working

5 . By the time the famous pianist turns thirty, he ________ the piano for more than twenty years.

A．will have been playing	B．will play
C．has been playing	D．plays

6 . --- Will Linda be able to see Lucy’s parents when the first class is over?
--- I’m afraid not. He said he ________ a lecture on Chinese literature in the hall.

A．will attend

B．will be attending

C．would attend

D．would be attending

7 . —Will you take over at the next service area? I want a short rest.
—Sure. You ______ for over four hours by then.

A．have driven	B．have been driving
C．will be driving	D．will have been driving

8 . When the famous pianist turns thirty, he ______ the piano for more than twenty years.

A．plays

B．will play

C．has been playing

D．will have been playing

9 . He____ English for six years by the time he takes his exams.

A．had been studying	B．was studying
C．will have been studying	D．has been studying