--- ________ do you help your mother clean the house? --- Once a week.
#47256
A
How far
B
How long
C
How soon
D
How often
推荐题目
Most students think Lady Gaga is one of _________ singers in USA now.
#47625
A
popular
B
more popular
C
most popular
D
the most popular
 I’m ________ in the book. Do you think it very ________? 
#45713
A
interesting; interesting
B
interested; interested
C
interesting; interested
D
interested; interesting
He didn’t think the shirt ________,so he didn’t buy it.
#47167
A
enough cheap
B
enough expensive
C
cheap enough
D
expensive enough