--- ________ 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
The number of the red-crowned cranes will become ____ if we don’t take any action.
#46079
A
fewer and fewer
B
less and less
C
smaller and smaller
D
larger and larger
— Did Aunt Li buy a skirt last Sunday?— Sure. She chose_________ one of the two green skirts.
#44452
A
less expensive
B
the least expensive
C
the less expensive
D
the most expensive
My brother is two years _____ than me.
#46461
A
bigger
B
older
C
big
D
old
 The weather here is __________  that in Beijing.
#45224
A
different from
B
different to
C
different between
D
difference from