Yesterdayitrainedheavilywhenschool

发布时间:2020-07-10 08:03:44

Yesterday it rained heavily when school was over. We ________ stay in our classroom













A.should












B.must











C.had to











D.has to

网友回答

C解析点拨:此题考查情态动词。句意为:昨天放学时正在下大雨,我们不得不呆在我们教室里。强调外界因素的“必须”用have to,强调内在因素用must。
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