问题
Are you going _____vacation next month?[ ]
A: to
B: for
C: at
D:on
B: for
C: at
D:on
正确答案是:
同类题型
How much do you ________ a single room every night?
We have friends to help us fight against pollution, and trees are one of ________.
To solve the traffic problem, more and more bridges ____________ across the river every year.
She always finishes her homework on time. She ________ leaves it for tomorrow.