问题
选择题
Boys and girls, the books in the library should______ g
ood care of.
A. take B. are taking C. be taken
答案
C
本句的真正主语是“the books”,应用被动语态，“should + be + 及物动词的过去分词”，故选C。
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Boys and girls, the books in the library should______ good care of.
A. take B. are taking C. be taken
C
本句的真正主语是“the books”,应用被动语态，“should + be + 及物动词的过去分词”，故选C。