The earth is our home. It ______________ well.
#44581
A
must be protected
B
should protect
C
need protect
D
need protecting
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The earth is our home. It ______________ well.
#44581
A
must be protected
B
should protect
C
need protect
D
need protecting
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