Unit 3 A healthy life using language课时作业

第一节　单项填空(共15小题；每小题1分，满分15分)

　　从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

　　1．If you continue to steal, you'll ________ in prison.

　　A．give up B．end up C．break up D．send up

　　答案　B

　　解析　end up in sth意为"以......结束，告终"，切题。

　　2．They ________ on the program for almost one week before I joined them, and we ________ on it as no good results have come out so far.

　　A．had been working; are still working

　　B．had worked；were still working

　　C．have been working; have worked

　　D．have worked；are still working

　　答案　A

　　解析　由no good results have come out so far. 知在A、D中选，由before I joined them可知是过去的过去，所以选A。

　　3．The spokesman seated himself at the desk calmly, ________ for any question from the reporters.

　　A．preparing B．prepared

　　C．to prepare D．being prepared

答案　B