题目内容
5.You _______ help your parents do some housework,they are tired.( )| A. | needn't | B. | should | C. | can't | D. | would |
分析 你应该帮助父母做一些家务,他们太累了.
解答 正确答案:B.A是不必了,B是应该,C是不能,D是会、将要.根据they are tired.可知父母太累了,所以应该帮助父母做一些家务,表示一种责任和义务,则应填写should,故选择B.help sb.(to) do sth.表示帮助某人做某事,do housework表示做家务.
点评 本题考查情态动词辨析,基础题,熟悉每个选项的基本用法及含义,再根据题干进行选择.
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