These young trees must        .
#44857
A
look after well
B
be well looked after
C
take good care of
D
be taken good care
推荐题目
Chinese ______by the largest number of people in the world now.
#44672
A
is spoken
B
is speaking
C
speaks
D
spoke
 The girl was often heard ______ happily in her room.
#44796
A
sing
B
to sing
C
singing
D
sings
---Did you go to Jim’s birthday party? ----No, I     .
#44949
A
haven’t invited
B
didn’t invite
C
am not invited
D
wasn’t invited
The noisy boy ______stand up by a teacher. 
#44682
A
was made
B
was made to
C
made
D
made to