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
This kind of bikes _______in that supermarket．
#44794
A
setl out
B
sold out
C
is sold out
D
are sold out
—It’s difficult to get to the other side of the river.—I think a bridge over the river.
#44615
A
should be built
B
should build
C
will build
D
has built
Don’t discuss the problems with your partner unless you ___ to do so.
#44804
A
ask
B
are asked
C
will ask
D
will be asked
--- David. Why are you still here? They are ready to start.--- Sorry, but I when to leave.
#44415
A
don’t tell
B
didn’t tell
C
am not told
D
wasn’t told