问题

We can hardly believe that an intelligent person like Daniel ________ be asking such a silly question.
A:should
B:might
C:must
D:could
B:might
C:must
D:could
正确答案是:
同类题型
Who is the girl in the picture —Haha! It’s me! The picture ________ ten years ago.
On no-car day, ______ students ______ teachers are allowed to drive to school.
Parents always ask their children to do to help them grow up.
I can hardly hear what it is saying on TV. Would you please ________
How beautifully she sings! I have never heard _______ voice.