摘要： The first use of atomic weapons was in 1945, and their power increased enormously ever since. A. is B. was C. has been D. had been
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The first use of atomic weapons was in 1945, and their power________ increased enormously ever since.
- A.is
- B.was
- C.has been
- D.had been
The first use of atomic weapons was in 1945, and their power ____increased enormously ever since.
A. is B. was C. has been D. had been.
查看习题详情和答案>>The first use of atomic weapons was in 1945, and their power ________ increased enormously ever since.
A. is B. was C. has been D. had been
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