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
推荐题目
The farmers needed________agricultural technology. Therefore,      ________skilled workers were sent there.
#14430
A
a great number of, a large amount of
B
large amounts of, the number of
C
a large amount of, a great number of
D
the amount of, a great number of
To our great surprise, we got _____ people to attend the conference as we expected.
#13351
A
twice as many
B
twice many
C
twice many as
D
as twice many