问题

What did you do____your day off ?[ ]
A: on
B: in
C: by
D:at
B: in
C: by
D:at
正确答案是:
同类题型
Don’t worry. They’ll come to help us _______.[ ]
Mary is flying to France soon. She will arrive _____ Paris _____ the morning of July 9. [ ]
Can you tell me __________________?—Sorry, I can hardly understand its meaning.
Is he still raising money for charity?—Yes. He never _______hope of helping poor children.