问题
________do you sleep every night? —Six to eight hours. [ ]
A: How long
B: How often
C: How
D: How many times
B: How often
C: How
D: How many times
正确答案是：
同类题型
I don’t like talking on _______ telephone; I prefer writing _______ letters.
.I was about to get on the bus __________my wife phoned me to back home at once.
Are these books yours, Mike?—No, they aren’t. They belong to ______.
Let’s go fishing if it ______ this weekend. –But nobody knows if it ______.