There’s no doubt _____enough concern must be paid to the problem of the stay­at­home children.
#92189
A
which
B
whether
C
that
D
what
推荐题目
This problem is said _____ three times. 
#92660
A
having discussed
B
to have been discussed
C
having been discussed
D
to have discussed
Lucy’s dress looked the same as mine but the price is _______mine.
#93417
A
as much twice as
B
twice as much as
C
much as twice as.
D
as twice much as
________ some of the orange juice and perhaps you will like it.
#95168
A
Trying
B
Try
C
To try
D
Have tried