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春芽
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正确!因为主语部分有实意动词do"做“,在主系表结构中,如果用不定式陈述”做“的内容,可以省去小品词to,也可以不省
即:All he want to do was (to)spend a nice,quet night at home.
再如:What you should do is (to) find out where he lives.
The first thing for you to do is (to) find out when the train leaves.
1年前
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