15. It is partly _____ the summer day is longer that everything has a larger time to warm up.

A. for   B. that    C. the reason    D. because

16. He had promised me to come to the party, and _____.

A. so did he            B. so he did

C. so he would          D. so would he

16. The mistakes made by Chinese students are quite different from  _____made by the Japanese students in English study.

A. That    B. which    C. what    D. those

15. _____ my finishing reading the novel, you shall have it immediately.

A. On      B. At       C. For      D. With

My house is very _____ for getting to work as it is only a few minutes from the station.

         A. comfortable    B. suitable    C. convenient    D. available

The government is _____ and will take the necessary steps to maintain security and stability.

        A. on the alert    B. out of control     C. on guard        D. in vain

8. It will be five years ____ we meet again.

A. since         B. after          C. before      D. when 

10. We _____ a pleasant journey but for the rain.

A. would have          B. will have

C. had had             D. would have had

We haven’t enough books for ______ ; some of you will have to share .

A．somebody  B．a(chǎn)nybody  C．everybody  D．nobody

The computer system____suddently while he was searching for information on the Internet.

A. broke down       B. broke out         C. broke up      D. broke in