3. The new technology will make __________ possible to grow food with very little water.　

　A. it　　　 B. it is　　　 C. that　　　 D. that is

2.I have to finish my homework instead _________.

A. to go out　　 B. of to go out 　　C. of go out　　 D. of going out

1. I prefer to travel light. I mean I like traveling without taking __________.

　 A. many luggages　 B. much luggage　 C. a luggage　 D. any luggages

15.The government _________ (宣布)that the danger of SARS was past.

14.The heart is one of the body’s important o_______.

13.It is normal for us to make some mistakes , for none of us are ________(完美的).

12.It is important for us to m_______ the usage of most of verbs in English.

11.I bought a second-hand car because of 　e_______ reasons.

10.We must r_____ on our own efforts to succeed.

9. Please a_________ an appointment for me with the manager.