问题
Some aspects(方面) of a teacher’s job ______ be tiring, and teachers often ______ work at inconvenient hours.
A:can; must
B:may; can
C:can; have to
D:have to; must
B:may; can
C:can; have to
D:have to; must
正确答案是：
同类题型
Wait a minute! The headmaster hasto tell you.
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84It is theability to do the job _____matters not where you come from or what you are