1. Politics ______ the art or science of government.
A. is B. are C. be D. being
2. My friend was very unhappy for not ______ to the concert.
A. to be invited B. have been invited
C. to have been invited D. inviting
3. The noise was caused by a dog ______ a cat through the garden.
A. chasing B. fighting C. running D. following
4. I must get up earlier tomorrow morning ______ late again.
A. not to be B. not being C. so as not to be D. for not being
5. Because of her peculiar characteristics, she has a lot of difficulty ______ friends with her classmates.
A. to make B. making C. of making D. for her to make
参考答案:
1. 答案:A 解析:某些学科名称,虽然形式上是复数的,但谓语动词仍用单数,据此,可将B 排除。C 和D 语法上不通。A 为正确选择。
2. 答案:C 解析:不定式被动语态否定式表达方式。由于主句是过去时态,音乐会已经开过,所以应该选择C。
3. 答案:A 解析:现在分词短语表示伴随状况。本题的其他选项意思有误。
4. 答案:C 解析:不定式用作目的状语。
5. 答案:B 解析:have difficulty (in) + 动词 + -ing 是习惯用法,故选项A、C、D 均可排除。
本文选自新东方在线论坛。
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