28. The officer was very concerned ________ the latest development in the case because he was concerned ________ it.
#28038
A
about; in
B
for; about
C
with; for
D
in; with
推荐题目
Scientists are convinced______ the positive effect of laughter______ physical and mental health.
#26517
A
of ; at
B
by ; in
C
of ; on
D
on ; at
_______ of 2006 , there were about 6000 foreign printing companies in China .
#26361
A
At the end
B
In the end
C
At last
D
In end
I have offered to point the house a week’s accommodation.
#28217
A
in exchange for
B
with regard to
C
by means of
D
in place of
Deaf people talk ________.
#27587
A
with signs
B
with sign language
C
by signs
D
by speaking sign language
Gun control is a subject ________Americans have argued for a long time.
#25382
A
of which
B
about which
C
with which
D
into which