Many teens don't get enough sleep because they have too much homework to do, which ________ them up at night.
#11120
A
makes
B
breaks
C
turns
D
keeps
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Butterflies ______ a sweet liquid produced by flowers, which bees and other insects collect.
#13853
A
carry on
B
feed on
C
put on
D
focus on
Don’t you realize the ________these chemicals are doing to our environment?
#13006
A
shelter
B
track
C
damage
D
ouline
You must keep us ______ of how things are going here.
#12953
A
informing
B
informed
C
inform
D
to inform
—Can I help you ? — Please give me two ____________ the eggs.
#14376
A
dozen of
B
dozen
C
dozens of
D
dozens
It doesn’t _____ to set off fireworks on holidays since the smog(雾霾) is so severe at present.
#12011
A
make a difference
B
make sense
C
make progress
D
make a choice