题目内容
4.Be sure to __________ the radio before you leave.( )| A. | try out | B. | fall away | C. | turn off | D. | agree with |
分析 你离开之前务必要关掉收音机.
解答 答案:C.be sure to do sth 务必做某事.跳过空格推知句意是表达离开之前务必要关掉收音机.turn off关掉,try out 实验,fall away离开,agree with赞同,故答案是C.
点评 be sure to do sth:其主语既可以是人称主语,也可以是非人称主语.译为"肯定"、"一定"、"谅必"、"势必"等等.
例如:
Tom is sure to help her.汤姆肯定会帮她的.
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