[题目]The USA on several countries in the past years, which reminds us that a nation must be strong if it .A. has started war; is to surviveB. started war; is going to surviveC. had started war; will su 题目和参考答案——青夏教育精英家教网—

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【题目】The USA __________ on several countries in the past years, which reminds us that a nation must be strong if it __________.

A. has started war; is to survive

B. started war; is going to survive

C. had started war; will survive

D. has started war; is about to survive

【答案】A

【解析】句意：在过去的几年中,美国已对几个国家开战,这提醒我们要想生存,必须强大。in the past years在过去的几年中，现在完成时的时间状语;that引导的宾语从句中，条件状语从句用一般现在时表将来。

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