—John, ______ do you visit your grandparents?—Once a week.
#42667
A
how long
B
how soon
C
how often
D
how much
推荐题目
 ---____ will he be back? ---In a week. 
#40668
A
How long
B
How soon
C
How often
D
How many
---When will the new chairperson arrive?  ---__________.
#43278
A
Until next Friday
B
Not until next Friday
C
After a few days
D
For a few days
 The students had fun on their school trip last week.
#44127
A
have a good time
B
enjoyed oneself
C
enjoyed themselves
D
had good time