摘要：1629] Let’s practise English when and where . [译文] 让我们尽可能的利用时间和地点练习英语口语. A. speaking; impossible B. to speak; possible C. speaking; possible D. to speak; impossible [答案及简析] C. 当when, if, where引导的从句中如果是it is / was就可以省略.

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