题目内容

He was once a fire fighter in the army, so he ____ use the fire extinguisher skillfully when the fire broke out.

A. was able to
B. could
C. might
D. succeeded to

查看答案

搜索结果不匹配？点我反馈

更多问题

According to the contract, the buyer ____ arrange shipment of the goods.

A. may
B. can
C. shall
D. would

Whenever I had some difficulties in my study, I ____ turn to Steve for help.

A. will
B. shall
C. should
D. would

— Must we hand in the report before the end of this week?— No, you ____.

A. must
B. may not
C. shouldn't
D. needn't

酿酒酵母的主要繁殖方式（）

A. 芽殖
B. 裂殖
C. 产孢子
D. 有性繁殖