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
—Our school _________ in 1876. —Wow, it has a very long history.
#44656
A
built
B
was built
C
is built
D
has built
Food safety is important. Rules must ________ stop people from food pollution.
#44443
A
be made
B
be made to
C
make
D
make to
—How often do I need to feed the fish?－They food every day, or they will be hungry.
#44530
A
must give
B
mustn’t give
C
mustn’t be give.
D
must be given
The television ________. It doesn’t work now.
#44544
A
must repair
B
was repairing
C
must be repaired
D
has repaired