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
The earth is our home. It ______________ well.
#44581
A
must be protected
B
should protect
C
need protect
D
need protecting
—How beautiful your hometown is! —Yes, trees and flowers _______ everywhere.
#44790
A
can be seen
B
can see
C
be seen
D
can’t see
At that moment，he was last __________ the room with his friends．
#44658
A
seen leaving
B
to see leave
C
seen to leaving
D
to see to leave
—It’s difficult for the village children to cross the river to get to school. We think a bridge_______over the river.
#44533
A
was built
B
should be built
C
has been built
D
is being built
-- Lisa was seen ______ an old man go across the street this morning. --What a kind girl she is!
#44478
A
helping
B
helped
C
to help
D
helps