The earth is our home. It ______________ well.
#44581
A
must be protected
B
should protect
C
need protect
D
need protecting
推荐题目
Another two months will be needed before the bridge _______.
#44397
A
completes
B
is completed
C
has completed
D
will be completed
 Liu Xiang ___ by his coach to train regularly.
#45052
A
advised
B
advises
C
was advised
D
be advised
The old should _____ well.
#44757
A
be take care of
B
look after
C
be looked after
D
be taking care of