The last thirty years the quick development in almost every field in China.A. sawB. had s

发布时间：2020-08-16 15:06:17

The last thirty years      the quick development in almost every field in China.
A. saw
B. had seen
C. have seen
D. would see

网友回答

A. saw
B. had seen
(答案→)C. have seen
D. would see
解析：考查时态。根据句意用一般现在时。句意：上一个30年已经见证了中国几乎各个领域的迅速发展。
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