In much of the animal world, night is the time________ for sleep—pure and simple.
A.set aside B.set down
C.set off D.set up
Butterflies ________ a sweet liquid produced by flowers, which bees and other insects collect.
A.carry on B.feed on
C.put on D.focus on
Briggs will ________ as general manager when Mitchell retires.
A.get away B.take over
C.set off D.run out
Mother always complains that children ________ their shoes very quickly.
A. find out B. wash out
C. wear out D. set out
I had hoped to take a holiday this year but I wasn't able to________.
A. get away B. drop in
C.check out D.hold on
At the last moment, Tom decided to ________ a new character to make the story seem more likely.
A. put up B. put in
C. put on D. put off
