题目内容
7.Baijitun,the Chinese's river dolphin,is extinct.It's impossible for us them in Yangtze River.( )| A. | to see | B. | seeing | C. | saw | D. | see |
分析 白鳍豚,中国的淡水豚,已灭绝.对于我们来说在扬子江看到它们已不可能.
解答 答案:A.
根据It's impossible for us them in Yangtze River.可知本句考查了句型It's impossible for sb to do sth 对某某来说做某事是不可能的,在这里it作形式主语,后面的to引导的不定式作真正的主语.故选A.
点评 本题考查了动词不定式的用法.解答时注意:It's impossible for sb to do sth 对某某来说做某事是不可能的,在这里it作形式主语,后面的to引导的不定式作真正的主语.
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