The flowers _______often.A.must be water B.must be wateredC.must watered D.must
题型:不详难度:来源:
The flowers _______often.A.must be water | B.must be watered | C.must watered | D.must water |
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答案
B |
解析
此处考查情态动词后的被动式,情态动词后的被动式结构为must+be done, 因此可以排除A.C.D, 故选B.本句意思是:花必须经常浇。 |
举一反三
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