—________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
-- ________ do you study for a test?-- By listening to the English programs every day.
#59919
A
Why
B
When
C
Where
D
How
—The spacecraft has never been to the moon, ________ ? —Certainly.
#64559
A
has it
B
hasn’t it
C
doesn’t it
D
isn’t it
I don’t think David could have done such a stupid thing last night, ?
#64590
A
did he
B
didn’t he
C
do I
D
don’t I