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

正确答案是：

同类题型

His aunt’s letters ________ memories of thosebeautiful days when they used to live together in his hometown

I can’t decide to choose which of them to ________.

MrsClarke raised the kettle and _______the water over the hand

It is because of its geographical position that typhoon isin Taiwan during summer.

下列各句中，没有语病的一项是