I’m writing this letter ________ my mother, who wants to thank you for your nice gift.
#27521
A
in order to
B
in behalf of
C
on behalf of
D
in terms of
推荐题目
The head teacher isn’t in the office______.
#28081
A
on the moment
B
for a moment
C
at the moment
D
in a moment
I know my English cannot compete ______his.
#26015
A
in
B
for
C
against
D
by
The weather this month has been good ________ . 
#28840
A
on the whole
B
generally speaking
C
above all
D
on one hand