1. The students were much encouraged _______ a chance to talk with the Americans in English.
A. to get B. gotten C. to have got D. having got
2. When a person is in a happy frame of mind, he may agree on the thing that he won’t tolerate _______ when he is not in the right frame of mind.
A. doing B. to do C. done D. to be done
2. Recently many schools have faced what could be called the crisis of comprehension or, in simple terms, the phenomenon of students with phonic and grammar skills still _______ unable to understand what they read.
A. areB. to be C. being D. have been
3. I_______ the train but I overslept that morning.
A. could catch B. might catch
C. must have caught D. could have caught
5. It is very kind of you to do the washing-up, but you _______ it.
A. mustn’t have done B. wouldn’t have done
C. mightn’t have done D. didn’t have to do
1. C句中不定式表示原因: “学生有机会用英语与美国人交谈，很受鼓舞。” 所以应用不定式完成式。如果句子用的是一般现在时are, 那么选A是对的。
2. Atolerate要求动名词做宾语, 只能选A。
3. C动名词being 做students 的逻辑谓语, 相当于…students… being unable to understand what they read。整个动名词短语做of的宾语，所以只能选C。
4. D这是一个含蓄虚拟条件句，前半部分假设，后半部分真实，因此应选could have caught，意为“我本来能赶上火车的，可是那天早上我睡过头了”。区别这类含蓄虚拟条件句的关键词是but。
5. Ddidnt have to do it“不用非得洗(碗)”，符合句意。
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