问题
You ______ wear sports shoes when you climb a mountain.
A:can’t
B:shouldn’t
C:mustn’t
D:have to
B:shouldn’t
C:mustn’t
D:have to
正确答案是：
同类题型
Last night we watched ______ film on Channel 6.
Must I return the book tomorrow?— No, you ________. You can keep it for three days.
We are sure tothe volleyball match this afternoon.
My birthday is _______ March 18. [ ]
What were you doing this time yesterday?—-I ________ my homework at John’s house.