— I wonder ________ you’ll water this kind of flower. —Once a week. 
#93494
A
how often
B
how long
C
how soon
D
how much
推荐题目
How long ______ we take part in the college entrance examination?
#92168
A
is it since
B
will it be before
C
is it when
D
will it be since
 Could you drive me to the bookstore at noon if________?
#92091
A
it's convenient of you
B
you are convenient
C
it's convenient to you
D
you will be convenient
The new machine is supposed to be the solution to all our production problems, but"____".
#93175
A
Practice makes perfect
B
The proof of the pudding is in the eating
C
Many hands make light work
D
I think, therefore I am