问题

_______do you sleep every night? —Six to eight hours. [ ]

A: How long
B: How often
C: How
D: How many times

正确答案是：

同类题型

How long __________ your parents ___________? —For about twenty years.

When I______ the cinema, the film ______.

I didn’t know ______ to London.

I could read and write when I was four years old.- Really? _____.[ ]

Excuse me，could you pleaseyour cigarette?——Sorry, I won’t.