How did it that you failed to in time yesterday?( )A．come up, turn downB．come on, turn overC．come over, turn offD．come about, turn up 题目和参考答案——青夏教育精英家教网—

9．How did it that you failed to in time yesterday？（　　）

	A．	come up； turn down		B．	come on； turn over
	C．	come over； turn off		D．	come about； turn up

分析昨天你怎么没有按时出现？

解答答案是D．考查词组的辨析．A come up走近，发生，上升，讨论，出现；turn down（被）向下折转，拒绝．B comeon快点，赶快；turn over打翻，移交给，翻身，翻阅．C come over过来，抓；turn off关掉．D come about发生，产生，改变方向；turn up出现，到达．句意是：昨天你怎么没有按时出现？：（它是怎么发生的昨天你没有按时出现？）故选D．

点评解答此类问题首先需要理解每个选项的基本含义，并注意交叉含义间的区别，了解其特殊用法及习惯搭配等特点，然后结合语境选择正确答案．

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