It is impolite you to ring off when others haven’t finished their talking on the phone.
#26299
A
for
B
from
C
to
D
of
推荐题目
---Thank God you’re safe!--- I stepped back, just _______ to avoid the racing car.
#25705
A
in time
B
in case
C
in need
D
in vain
As we have much time left, let’s discuss the matter _______ tea and cake.
#28525
A
over
B
at
C
with
D
by
I’ll go to your party___ you promise me that you will invite our class advisor.
#26837
A
if only
B
only if
C
unless
D
since