问题
_______ do you write to your mother?—-Once a month.[ ]
A: How long
B: How often
C: How far
D: How much
B: How often
C: How far
D: How much
正确答案是：
同类题型
_____ is no need to argue again the problem.We settled it at the last meeting.
What does your father do?—He is ________ English teacher at _________ university.
Is this room ________ the meeting?
Don’ttoo late，or you will feel tired in class tomorrow．
Is there________ book by Mo Yan?—Yes. It’s on______ bookshelf over there.