The manager is talking with his secretary _____ the telephone. They usually keep in touch _____ telephone.
#29114
A
by ;on
B
through; by
C
on; on
D
by ;with
推荐题目
---Please come here again. -----I will surely ____ you when I come to your city someday.
#28885
A
drop in at
B
drop in
C
drop on
D
drop in on
Since most Antarctic rocks are dark in color, they stood out _____ the white background and are easy to identify and collect.
#26417
A
against
B
on
C
beyond
D
above
As students, we have many duties to perform, with improving our ability to learn _______.
#25939
A
in special
B
in advance
C
in practice
D
in particular
___ repeated promises that the product is safe, many people have stopped buying it.
#27560
A
Although
B
Though
C
Despite
D
Then
Men and women should be treated equally according to the law, but ______ there is great room for improvement.
#25846
A
in reality
B
above all
C
after all
D
in return