1 . —Hi, let’s go skating.
—Sorry, I’m busy right now. I ___________ in an application form for a new job.

A．fill	B．have filled
C．am filling	D．will fill

2 . He is a difficult person, for he ___________________ about everything.

A．often complained	B．is always complaining
C．complains	D．will complain

3 . The water supply has been cut off temporarily because the workers ________ one of the main pipes.

A．had repaired	B．have repaired
C．repaired	D．are repairing

4 . Hurry up, kids! The school bus ________ for us!

A．waits	B．was waiting
C．waited	D．is waiting

5 . Hurry up! Mark and Carol   ________ us.

A．expect	B．are expecting
C．have expected	D．will expect

6 . —What’s the noise outside?
—Some children_____ hide-and-seek in the yard.

A．were playing

B．are playing

C．have played

D．played

7 . 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

8 . Put on your coat! I        you down to the doctor.

A．take

B．am taking

C．took

D．have taken

9 . Hurry up! The train _____________. You know it _______ at 8:30.

A．leaves; leaves

B．is leaving; leaves

C．leaves; is leaving

D．is leaving; is leaving

10 . .Rainforests ＿＿and burned at such a speed that they will disappear from the earth in the future.

A．cut

B．are cut

C．are being cut

D．had been cut