—________do you surf the Internet? — Once a week.
#59978
A
How long
B
How often
C
How much
D
How far
推荐题目
You must have read about Mark Twain long ago, ____?
#64539
A
mustn't you
B
haven't you
C
didn't you
D
needn't you
---____________do you usually read English in the morning?---About half an hour.
#60265
A
When
B
What time
C
How many
D
How long
He must be helping the old man to water the flowers,______ ?
#65512
A
is he
B
isn’t he
C
must he
D
mustn’t he