摘要： 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
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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