This math problem        .
#44841
A
can be easily work
B
can be easily worked
C
can is easily worked
D
may easily worked
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The windows must _________ before you leave the room.
#44851
A
be closed
B
are closed
C
close
D
be close
It’s said that ______of the water around the world___ polluted. 
#44439
A
two third , has
B
two thirds, have
C
two third, are
D
two thirds, is
—What happened to Billy?—He________because of his drink-driving.
#44936
A
is caught
B
was caught
C
has caught
D
had caught
- 80% of our work ______ finished. - Really? It’s ______ hard work, you know.
#44995
A
have been; such
B
has been; such
C
has; such a
D
is; so