1.Many ( ) measures have been taken to reduce air pollution in this city.
a.efficient
b.influential
c.sufficient
d.effective

2.He began to ( ) the previous occasions when these terrible attacks had come on.
a.recall
b.inform
c.remember
d.remind

3.The coal miners work in three ( ) every day,that is,three groups of workers work eight hours by turns.
a.lines
b.shifts
c.sheets
d.shades

4.In most countries, the metric system has been ( ) for all measurement.
a.applied
b.admitted
c.adapted
d.adopted

5.It was necessary to ( ) the factory building as the company was doing more and more business.
a.increase
b.lengthen
c.grow
d.extend

6.He was so ( ) in reading the novel that he knew nothing about what was going on about him.
a.attracted
b.drawn
c.absorbed
d.concentrated

7.He ( ) that he could finish the job without any help from others.
a.demanded
b.required
c.claimed
d.informed

8.I'd like to take ( ) of this opportunity to thank you all for your kindness and hospitality.
a.profit
b.benefit
c.interest
d.advantage

9.He had ( ) to spend his holidays in Italy,but circumstances forced him to change his mind.
a.tended
b.intended
c.extended
d.pretended

10.When asked why he had played truant ,little Frank( ) a good excuse.
a.came up with
b.caught up with
c.put up with
d.kept up with

11.Do you agree ( ) me that children should not be allowed to do as they like ?
a.in
b.on
c.with
d.for

12.You missed a golden opportunity. Yes ,I ( ) that job when it was offered.
a.shall take
b.should take
c.should have taken
d.shall have taken

13.We suggested ( ) in hotel but the children were anxious ( ) out.
a.sleeping ...to camp
b.sleeping ...camping
c.to sleep ...to camp
d.to sleep ...camping

14.I felt a great weight ( ) off my mind when I heard that she was released from prison yesterday.
a.took
b.take
c.taking
d.taken

15.The platform was crowed with people ( ) goodbye to friends and relatives.
a.to have
b.waved
c.waving
d.to be waving

16.He really deserved the award because he performed ( ) expected of him.
a.much better from
b.much better than
c.much better as
d.more better than

17.It isn't cold enough for there ( ) a frost tonight ,so I can leave Jim's car out quit safely.
a.would be
b.being
c.was
d.to be

18.I'd rather you ( ) anything about it for the time being.
a.do
b.didn't do
c.don't have to do
d.not to do

19.Dried leaves continue to hand on the branches of some trees ( ) the new leaves appear.
a.until
b.that
c.by
d.from

20.From what is mentioned above we can draw a conclusion ( ) electric energy can be turned into light energy
a.what
b.how
c.that
d.which

1 - d.effective - 有效的
2 - a.recall - 回忆起
3 - b.shifts - 轮班
4 - d.adopted - 采用
5 - d.extend - 扩张
6 - c.absorbed - 用神地
7 - c.claimed - 宣称
8 - d.advantage - 好好利用
9 - b.intended - 打算
10 - a.came up with - 提供
11 - c.with -
12 - c.should have taken - 应做没做
13 - a.sleeping ...to camp
14 - d.taken - 表示被动
15 - c.waving - 表示主动
16 - b.much better than - 比较级
17 - d.to be - 固定表达
18 - b.didn't do - 固定表达
19 - a.until - 直至
20 - c.that - 同谓语从句