The drug is to (take) ______ twice a day.

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问题 The drug is to (take) ______ twice a day.

选项

答案be taken

解析本题测试的是非谓语动词的用法。全句的意思是：“该药物每天须服两次。”根据句意，应用动词不定式的被动式作表语。

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大学英语三级A级

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