—___ __must I take this medicine every day? —Three times a day.
#70492
A
How long
B
How often
C
How far
D
How
推荐题目
I can’t decide _____ .
#70251
A
to buy which one
B
which one to buy
C
to buy which
D
which to buy one
He hardly had anything to eat, ________ he?
#69587
A
didn’t
B
hadn’t
C
was
D
did