问题

We can see light in his office. He___________ be in his office.
A:can
B:can't
C:must
D:might
B:can't
C:must
D:might
正确答案是:
同类题型
According to the rule, children should ______ a nearby school to receive education in Nanjing.
He didn’t attend the competition ______ hewas ill at the time.
I was so familiar with her that I recognized her voice ________ I pickedup the phone
____wonderful our school is! There are many good teachers and students in it.
The boy is only five years old, but he is quite used the telephone.[ ]