1 . He was so absorbed in his work that he________ music for over two hours before he knew it.

A．was composing

B．has composed

C．had been composing

D．would compose

2 . It is significant to raise public awareness of environmental protection, or it will be only too late one day to regret the________ damage we have done to our environment.

A．innovative

B．permanent

C．rare

D．immediate

3 . It is requested that guests out by noon on the day of departure.

A．check

B．to check

C．checking

D．are checked

4 . He never trained hard to join the table tennis, he?

A．was

B．wasn’t

C．did

D．didn’t

5 . Which of the following sentences is not used to talk about a future plan?

A．The plane takes off at 12:00.

B．I am leaving for Jiuzhaigou tomorrow.

C．The children are sleeping at the moment.

D．The queen is to visit China next month.

6 . There is a huge gap between theory and reality,         is usually the case when it comes to the money management industry.

A．which

B．what

C．as

D．that

7 . Actually ________ our kids really need is parents’ company.

A．that

B．who

C．whether

D．what

8 . It is water ______ makes it possible for all living beings on this planet to survive and develop.

A．when

B．that

C．which

D．where

9 . In the ant city, the queen’s job is ________ eggs.

A．lay

B．laid

C．laying

D．lays

10 . As the firemen ______, they knew the road ahead was blocked by landslides.

A．broke off

B．set off

C．lived off

D．cut off