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Yesterdayitrainedheavilywhenschoolwasover.WestayinourclassroomA.shouldB.mustC.hadtoD.hasto

题目详情
Yesterday it rained heavily when school was over.We ________ stay in our classroom
A.should
B.must
C.had to
D.has to
▼优质解答
答案和解析
答案C
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.