The research team never gave up (try)______ although they had failed several tim

游客2023-10-05 88

问题 The research team never gave up (try)______ although they had failed several times.

选项

答案 trying

解析

转载请注明原文地址:http://tihaiku.com/zcyy/3072629.html

相关试题推荐

随机试题

最新回复(0)

Thoughhewonseveralawardsinthecompetition,hedidn’tbecomeproudoverhis