Theworkerexaminedthemachinecarefullytomakesurethatitwo...
來源:國語幫 5.66K
問題詳情:
The worker examined the machine carefully to make sure that it wouldn’t _______ while working.
A. break away B. break down C. break up D. break out
【回答】
B
知識點:詞組 短語
題型:選擇題