Youshouldinspectthewheelsregularly,andreplacethem
来源:语文精选馆 2.46W
问题详情:
You should inspect the wheels regularly, and replace them ______ they cause you trouble.
A. while B. when C. before D. Until
【回答】
C
知识点:连词
题型:选择题
问题详情:
You should inspect the wheels regularly, and replace them ______ they cause you trouble.
A. while B. when C. before D. Until
【回答】
C
知识点:连词
题型:选择题