The river smells terrible. People_______ dirty things into it .
#44850
A
must stop to throw
B
must stop from throwing
C
must be stopped to throw
D
must be stopped from throwing
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More and more people have realized that we won’t have cleaner water to drink unless something _______soon.
#44577
A
is done
B
was done
C
will be done
D
to be done
—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
---Excuse me. I’m looking for Be the Best of Yourself.---Sorry. The book you ask for ______ out.
#44618
A
is selling
B
is sold
C
was selling
D
will be sold