问题

I’ve _____ all my papers but Istill can’t find the contract
A:can
B:may
C:must
D:should
B:may
C:must
D:should
正确答案是:
同类题型
Which of the following words matches the sound /l a If/?
He thinks watching movies ________.
—How did you find out it is my birthday today —_______.
I’m not going swimming tomorrow afternoon. — ________. I have to clean up my bedroom.
10,000 dollars is a lot of money,but it is still ______than we need for a new school