题目

 The birth planning policy allows my parents to have a second child because of my disability, but to look after me, they chose         . A. not to do                B. not to have            C. not to              D. to not have one 答案： 答案C。考查不定式的省略结构。通常情况下不定式中的“to”要保留，其后的不定式短语可省略，或者不定式短语用do so 替换。例：①I shall go if I want to. (如果我想去就去。) ②“Don’t be late.” “I’ll try not to.” “(不要来晚了。”“我尽量不来晚”。) ③Don’t go till I tell you to. (等我叫你走你再走。)

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