—Are you free after school?—Sorry: I’ve planned to treat a friend of mine to dinner        for his help.
#27283
A
in terms
B
in honor
C
in turn
D
in return
推荐题目
Can you tell me ___ which you based your calculation __ detail ?
#26185
A
on; in
B
on; at
C
about ;in
D
about; for
I have offered to work for the store owner _____ one night’s stay.
#29005
A
in place of
B
in exchange for
C
in relation to
D
in preference to
 If you keep on, you’ll succeed _______.
#28265
A
in time  
B
at one time
C
at the same time
D
on time