— ______ does Tom surf the Internet ? —Twice a week .      
#70510
A
How much
B
How many
C
How long
D
How often
推荐题目
Few people knew how to use the Internet in the past,_____?
#68775
A
did they
B
didn’t they
C
did he
D
didn’t he
It is very important for us ________ English well.
#71127
A
learn
B
learning
C
to learn
D
learned
-You were injured in the accident, weren't you ? -________,  but look ,I'm all right now.
#69837
A
Yes, I was
B
Yes, I did
C
No, I didn't
D
No, I wasn't
Twenty-eight and twelve      
#69937
A
are fourty
B
is forty
C
is fourty
D
are forty