Daviddidn’tgiveup
来源:国语帮 2.46W
问题详情:
David didn’t give up ______ he had failed in the experiment four times.
A. if B. while C. though D. since
【回答】
C
知识点:连词
题型:选择题
问题详情:
David didn’t give up ______ he had failed in the experiment four times.
A. if B. while C. though D. since
【回答】
C
知识点:连词
题型:选择题