选B
need作为实意动词,否定形式是:don't need to do
need作为情态动词,否定形式是:needn't do
you()wash these clothes because they are clean.A.needn't to B.don't need to
you()wash these clothes because they are clean.A.needn't to B.don't need to
英语人气:646 ℃时间:2019-10-28 04:59:49
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