Drivers must stop when the traffic lights red．( )A．turnB．will turnC．turnedD．were turning 题目和参考答案——青夏教育精英家教网—

题目内容

10．Drivers must stop when the traffic lights _____ red．（　　）

A．

turn

B．

will turn

C．

turned

D．

were turning

分析当交通信号灯红灯亮时，司机必须要停车．

解答答案：A．
本句为when引导的时间状语从句．在时间、条件、让步状语从句中通常要用一般现在时表示将来的动作，所以排除B项，C为一般过去时，表达的是过去的动作；D项为过去进行时表示过去某一时刻正在进行的动作；故选A．

点评对于时态的运用要注意不同时态的运用环境，结合时间状语及具体语境和时态的用法来作出判断．

练习册系列答案

1．Sorry I'm so late，but you cannot imagine _______ great trouble I took to find your house．（　　）

18．如今人们非常关注的是食品安全和空气质量．（concern）Nowadays what people are （very） much concerned about is food safety andair quality．
Food safety and air quality are people's major concerns nowadays．．

5．--What's that noise？
--There's a truck stopping outside．It's someone something．（　　）

1．If you_______ me about it a little earlier，I _______ here now．（　　）

	A．	had told：would not be		B．	told； am not
	C．	have told； would not be		D．	tell； would be

8．Cindy， to be here at 8o'clock．（　　）

14．下学期，你们学校将引进一名新的外教，学校针对需要引进什么样的外教，以及如何利用好外教资源向在校师生广泛征求意见．请你以学生李敏的名义，给负责该项目的黄老师写一封电子邮件，提出你的建议，并陈述理由．邮件须包含以下内容：
•你对引进什么样外教的建议及理由；
•你对如何利用好外教资源的建议及理由．
Dear Mr．Huang，
I'm a student of senior three and myname is Li Min．Knowing that you are taking charge of the recruit of a foreignteacher for our school，I'm now writing to you to state some of my opinionsabout this matter．
With regard to the qualities of theforeign teacher，there are two aspects that we should place great importanceon．First of all，being humorous and imaginative are necessary for the teacher，which enable the class to be enjoyable and lively．For another，tomaintain the efficiency of teaching and learning，the foreigner's abilitytospeak Chinese is important，since it is certain that sometimes students cannotexpress themselves in English．
So as tomake full use of the foreign teacher resources，a variety of outdooractivities，such as English Evening and English Corner，can be held by theforeign language teacher，which provides the students with more opportunitiesto communicate with the teacher and to improve their oral English．
I will bedelighted if you can take my advice into account．Thank you．
Sincerely Yours，
Li Min
注：邮件中不得提及你的真实姓名或学校．

15．-Are you sure the delegation will come to our school next week？
-_____．The head of it has just emailed me about the departure time of their flight．（　　）

	A．	No wonder．		B．	You bet．
	C．	Don't mention it．		D．	Definitely not．

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