在线名词解释大全 - 大英四B班Section - 详细

Directions:Choosethebestformofawordtocompletethefollowingsentences.(用所给单词的适当形式填空)62.Chinasuccessfully________aman-madesatellitein1970.

A
A. launch
B
B. launches
C
C. launching
D
D. launched
正确答案:
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