— 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
Hardly ______ on the bus ______ the bus drove off.
#93751
A
did he get; than
B
had he got; when
C
did he get; when
D
had he got; than
______ is no possibility______ Bob can win the first prize in the football match.
#92403
A
There ; that
B
It ; that
C
There ; whether
D
It ; whether