问题
My parents _______ have arrived at suppertime but their flight was held up due to the heavy fog.
A:will
B:can
C:must
D:should;
B:can
C:must
D:should;
正确答案是：
同类题型
did you see Mr. Chapman in the office just now－Yes, he ________, and he looked a little bit nervous.
Our city is developing so fast.—-Yes. Many modern buildings _____ in the city next year.
The 30th Olympic Games started ____ July 27th, 2012 in London
I was ________ when I saw Yao Ming play for the first time. His ability and power are ________.