------ I wonder ______ you’ll water this kind of tree. ------- Once a week.
#35726
A
how often
B
how long
C
how soon
D
how much
推荐题目
There are lots of shops on _________ of the street. 
#35621
A
every sides
B
all sides
C
both sides
D
neither sides
--- ______ do you play football?  --- Once a week.
#36109
A
How much
B
How long
C
How often
D
How far