— ______ 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
—You can speak Chinese, _______ you? —No. we can only speak English.
#69152
A
mustn’t
B
needn’t
C
can’t
D
shouldn’t
His MP5 is very useful,      ?
#70938
A
isn’t it
B
is it
C
does it
D
doesn’t it
The book cost you 50 yuan, _______?
#69450
A
doesn’t it
B
did it
C
does it
D
didn’t it