――Thank you._____.
A.It couldn't be better B.of course you can
C.if you like D.it's up to you
2.The birds,_____by the presence of the scientists,disappeared really quickly again.
A.frightened B.being frightened
C.haven been frightened D.were frightened
4.there's no doubt _____the famous professor will come to give us a lecture.
A.if B.that C.what D.whether
6.Standing on the sideway,I saw off my father and a minute later he____in the crowd.
A.had swallowed B.was swallowed up
C.swallowed up D.swallowed
8.We had been told that under no circumstances_____the telephone in the office for personal affairsw.
A.may we use B.we may use
C.we could use D.did we use
9.Dad____whisky,but normally only drank in the evening when work was done.
A.was tired of B.was fond of
C.was familiar with D.was afraid of
10.――I have_____to apologize for the slight damage to your recorder.
――Never mind.
A.after all B.in the first place C.at first D.as usual
12.――Sunny day ,isn't it?
――Let's hope the sunny weather____for Saturday's tennis match.
A.carries on B.breaks up C.keeps up D.gets on
13.Everyboday present at the meeting agreed to stick to the____that everyone should be treated fairly.
A.purpose B.ambition C.principle D.level
16.That was really a splendid evening. It's years______I enjoyed myself so much.
A.before B.since C.that D.when
17.The schools themselves admit that not all children will be successful in the jobs______they are being trained.
A.in that B.for that C.in which D.for which
19.It is pretty well understood______controls the flow of carbon dioxide in and out the atmosphere today.
A.that B.how C.when D.what
1.A 表核瞎慎示同意。“不能比这更好了”
2.A 形容词短语作原因状语。
4.B there is no doubt that 固定短语，“毫无疑改敬问”。肯定句中用that引导。
6.B .was swallowed up 吞没，淹没，消失
8. A under no circumstances “绝不”，位于句首用部分倒装。
9.B be fond of 喜欢
10.B “首先，神宽第一”
12.c keep up 持续，继续
13.C “原则”
16.B It's +时间段+since+一般过去时 “自从...以来多长时间了”
17.D 首先排除A、B，因为定语从句中，引导词that不可用在介词之后，故A、B已明显错，for which即for the jobs，为他们的工作而训练，故应用for，C不合句义。
19.D it为形式主语，what 引导真正主语从句，同时在主语从句中作主语。
1.A
2.A
4.B
6.B
8.A
9.B
10.B
12.C
13.C
16.B
17.D
19.D
A
A
B
C
A
B
C
D
C
C
D
D
A C B D A B B C A C D D
AABDABCAABCD