用括号内所给动词的适当形式填空

1. Generally speaking, glass ______ ( feel ) very cold in winter.

2. How long ______  the meeting ______ ( last) when you got to the meeting room?

3. The life in the countryside we were used to ________(change ) greatly since five years ago.

4. Tom said he _________(return) the two books to the library in a week.

5. —Who __________(speak)at tomorrow’s meeting? 

    —I think Mr Li is.

6. All the people who were at the crime scene that night are made ______ ( leave) their fingerprints.

7. Eighty students have entered the writing competition since it ______.( hold )

8. The police ______ ( search ) the scene for other clues these days .

政府实现组织目标的必要保障因素是：（）

A.高素质的行政官员

B.高超的行政技巧

C.自上而下的等级次序

D.领导人的政治智慧