---What time does the library open?--- ______ eight o’clock.
#47993
A
In
B
On
C
At
D
To
推荐题目
---When do you usually take a shower? ---I take a shower __________ the morning.
#50256
A
at
B
in
C
on
D
of
The people there did not allow them to set up a factory _____ pollute the water in the river.
#49906
A
not so as to
B
so as not to
C
in order to
D
so that