--Hello.this is Jack．May I speak to Tom?--Sorry.he isn't in at the moment．If he back.I'll ask him to call you back．( )A．comeB．comesC．have comeD．came 题目和参考答案——青夏教育精英家教网—

题目内容

10．--Hello，this is Jack．May I speak to Tom？
--Sorry，he isn't in at the moment．If he _______ back，I'll ask him to call you back．（　　）

A．

come

B．

comes

C．

have come

D．

came

分析你好，我是Jack．我能和Tom通话吗？--对不起，他现在不在．如果他回来，我将让他给你回电话．

解答答案：B 根据"if he…back，I'll ask him to call you back．"，可知这是if引导的条件状语从句，符合主将从现原则．（主句用一般将来时，if后的从句用一般现在时）．主语he为三单，故come用三单形式comes．故选B．

点评本题考查if引导的条件状语从句的时态问题．熟记"主将从现"是做题的关键．

练习册系列答案

1．I could speak French Chinese，but luckily I could talk with them in English．（　　）

	A．	both； and		B．	neither； nor
	C．	either； or		D．	not only； but also

18．I don't like all the traffic， I'll drive there anyway．（　　）

5．The shoes are neither cheap nor comfortable，I can't understand _______women like buying them．（　　）

15．---I hear Mr．Black has gone to Beijing．
---Really？Do you know when he ？（　　）

2．Our classroom is tidy because it ____ every day．（　　）

15．为什么不考虑去日照度假呢？
Why not consider going to Rizhao for a vacation？

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