【题目】Some aspects of a pilot’s job ___ be boring, and pilots often ___work at inconvenient hours.
A. can; have to
B. may; can
C. have to; may
D. ought to; must
在线课程【答案】A
【解析】前面考查情态动词can的推测用法,表示理论上的可能性;后面考查情态动词have to的本义,表示客观事实的限制。
编辑:chaxungu时间:2026-04-27 02:49:59分类:高中英语题库
【题目】Some aspects of a pilot’s job ___ be boring, and pilots often ___work at inconvenient hours.
A. can; have to
B. may; can
C. have to; may
D. ought to; must
在线课程【答案】A
【解析】前面考查情态动词can的推测用法,表示理论上的可能性;后面考查情态动词have to的本义,表示客观事实的限制。