—Haveyoufinishedthework?—Notyet,butnomatterhowharditis,...
来源:国语帮 1.04W
问题详情:
—Have you finished the work?
—Not yet, but no matter how hard it is, we'll keep ________ until we make it.
A. failed B. trying C. tried D. failing
【回答】
B
知识点:动词和动词短语
题型:选择题