---Will people use money ____ 100 years? ---No, they won’t. Everything will ____free.
#49318
A
in, \
B
for, is
C
in , be
D
since, be
推荐题目
Our school is ________children _______6-12.
#49200
A
in, for
B
for, in
C
of, for
D
for, of
We should throw the rubbish into the dustbin ______ protect our environment. 
#49489
A
as a result
B
so that
C
in order to
D
in order not to
The woman was         in that hotel before she came here.
#49740
A
on service
B
on the service
C
in service
D
in the service
---________do you spend _English learning every day? ---For about an hour.
#50368
A
How long, in
B
How many times, on
C
How often, on
D
How long, on