问题

spects 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

正确答案是：

同类题型

All the staff in our company are considering to the city center for the fashion show.

joy, the program teaching patients painting, dance, music and crafts is having _______ results through our consistent effort.

Which would you like, rice or noodles— _______is OK. I’m hungry.

__________ useful advice he has given us!

Do you think _______ computer games ______ much time