问题
_____ do you visit your teacher who taught you years ago? —Once a year.[ ]
A: How long
B: How soon
C: How often
D: How many
B: How soon
C: How often
D: How many
正确答案是：
同类题型
Let’s dress up _____ a ghost. —OK, you can dress up _____ white.[ ]
Which is ____________, the telephone, the computer or the light bulb?
I usually go to school by bike. — ______.
He is so addicted to smoking that ______ seems to be no chance of talking him into quitting.
The wind was blowing _____ and there was no _____ in the sky．