In the past the children were made ______15 hours a day.
#44973
A
to lock
B
work
C
to work
D
lock
推荐题目
Today, computers are really helpful. They ____ everywhere.
#44613
A
use
B
are used
C
used
D
were used
This kind of medicine ________in a dry and cool place。
#44678
A
keep
B
kept
C
must keep
D
must be kept
He was often seen _________ with charity work last year.
#44620
A
to help
B
helped
C
helping
D
help