He is determined to become a specialist ________ computer when he grows up.
#26767
A
for
B
in
C
on
D
about
推荐题目
An earthquake left the whole town      .
#25911
A
as usual
B
in the end
C
at an end
D
in ruins
This is not an economical way to get more water; _________,it is very expensive.
#26904
A
on the contrary
B
on the other hand
C
in a word
D
rather than
Write your name and address on your bag ________ you lose it. 
#28864
A
in any case
B
in case
C
in no case
D
in that case