This plant should______indoors in direct light and with moist soil.

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问题 This plant should______indoors in direct light and with moist soil.

选项 A、keeping
B、be kept
C、have kept
D、be keeping

答案B

解析 本题要求准确地选择出谓语动词,而谓语动词位于助动词(should)后面,所以应该接动词原形。所以作为动名词形式的(A)keeping是不能接在助动词(should)后面的。而主语是物,所以动词必须是被动语态。因此(B)be kept是正确答案。(C)havekept以should have kept的形式使用,表示“应该是……”的假设意义。
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