This story book _____good care ofA.must be take B.must take C.must be taken D,must to be taken

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This story book _____good care ofA.must be take B.must take C.must be taken D,must to be taken

This story book _____good care ofA.must be take B.must take C.must be taken D,must to be taken
This story book _____good care of
A.must be take B.must take C.must be taken D,must to be taken

This story book _____good care ofA.must be take B.must take C.must be taken D,must to be taken
C
must是情态动词,后跟动词原形
be taken 是被动语态

C
这个很简单,是被动语态的常见形式

选C
情态动词后面用动词原型。同时这句话表被动,所以结合以后就只能选c
这句话的意思是这些书必须被保管好!
望采纳!!!