2 . Ladies and gentlemen, please fasten your seat belts. The plane ________.

A．takes off

B．took off

C．is taking off

D．has taken off

3 . Not only the students but also their teacher ______ the film now.

A．is enjoying

B．enjoy

C．are enjoying

D．enjoyed

4 . The plane _____ off at 10:10. That is, it ________ in ten minutes.

A．takes; is leaving

B．will take; is leaving

C．will take;leaves

D．takes; leaves

5 . .Selecting a mobile phone for personal use is no easy task because technology _______so rapidly.

A．will have changed	B．has changed
C．is changing	D．will change

6 . Teenagers       their health because they play computer games too much.

A．have damaged

B．are damaging

C．damaged

D．will damage

7 . What a helpful girl she is! ___________. Which sentence can Not be best used to praise the girl highly?

A．She always helps others.	B．She is continually helping others.
C．She is constantly helping others.	D．She is always helping others.

8 . The timetable says the train from Harbin _____ at 19:26, but today ________ one hour late because of the bad weather. So we have to wait another one hour.

A．arrives; it’s arriving	B．arrives; it has arrived
C．arrived; it has arrived	D．arrived; it’s arriving

9 . —You’re in a hurry. Where are you going?
— To the cinema. Sue ___ for me outside.

A．waits

B．waited

C．is waiting

10 . I ______ for Shanghai this Saturday, so I want to know when the earliest plane ______.

A．leave; takes off	B．am leaving; takes off
C．leave; is taking off	D．am leaving; is taking off