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问题: 英语中的问题

You should _____ for a few night.
A lie down B lie 选择并讲解

Eating vegetables and fruit _____ a good habit.
A. are B. is 选择并讲解

解答:

You should _____ for a few night.
A lie down B lie
选A。lie down 躺下(指休息的躺)

Eating vegetables and fruit _____ a good habit.
A. are B. is
选B。动名词作主语,谓语动词用第三人称单数形式。