“_________”
A.I can't say it
B.I don't know that
C.I'm not sure this
D.I don't expect so
( )62.It's impossible for a child to do so much work within a short period of time，_________?
A.isn't it
B.is it
C.has it
D.hasn't it
( )63._________ that Mr Thomson got such rare fishes?
A.When and where was it
B.When and where it was
C.Was it when and where
D.When and where were it
( ) 64.—Where is the telephone book?
—Oh，I left it in the next-door room.I _________ it for you.
A.will get
B.am going to get
C.have got
D.got
( ) 65.—It was very crowded _________ I went there last night.
—I don't care whether it's crowded or not.I'd like to see it anyway.
A.though
B.because
C.when
D.since
( ) 66.I'm examining the article he has just finished _________ the possible mistakes in it.
A.correcting
B.to correct
C.corrected
D.having corrected
( ) 67.—What was your impression of last night's lecture?
—Speaking _________，I thought it was rather boring.
A.very
B.honest
C.really
D.honestly
( ) 68.—I didn't see her yesterday.
—Of course，you _________，because she had gone to a trip.
A.can't
B.may not have
C.can't have
D.mustn't have
( ) 69.—Mum，it is nice weather.I want to skate this afternoon.
—Don't you think the ice on the lake is too thin to _________ your weight?
A.stand
B.bear
C.catch
D.take
( ) 70.—What's the matter with you?
—After the long walk，my leg _________ and I couldn't go any further.
A.gave out
B.gave off
C.gave in
D.gave up
答案解析：
1.A 【解析】略。
2.D 【解析】略。
3.A 【解析】句意：我们轻声说话以免吵醒室友。whisper 意为 “低语”，“轻声说话”。
4.D 【解析】略。
5.C 【解析】句意：因为没有什么再讨论的了，这位首席执行官站起来，说声再见然后离开会议室。本题的前半句是分词独立结构。There being(There be的分词形式)引导的分词短语在句中做原因状语。
6.C 【解析】略。
7.D 【解析】句意：汤姆为什么昨晚没来参加晚会?他不想见我。might (not)have wanted to…表示对过去发生的动作的猜测。
8.B 【解析】句意： 虽然他只有五岁，他的想象力却十分丰富。fertile (imagination) 意为 “丰富的(想象力)”。因此选B。
9.D 【解析】略。
10.D 【解析】句意：现在有很多人买人造的圣诞树而不买真的。artificial意为 “人造的”，“人工创造的”;false 意为“错误的”，“虚伪的”;而fake，sham的意思则分别为“伪造的”，“伪劣的”。因此选D。
11.B 【解析】句意：你可不可以在不泄露答案的情况下给我一些提示。giving away 意为 “泄露”。
12.C 【解析】略。