问题

If you give me your photo, I’ll give you mine_____.[ ]
A: on turn
B: by return
C: in return
D: by turns
B: by return
C: in return
D: by turns
正确答案是:
同类题型
There are many boys ____ football on the playground ____ with grass.
What class are you in —I’m in ____, ____.
This is the best way I could think of ______ him______ computer games.
d building, behind _______ was afamous church, was _______ we used to work.
He thought______ mattered most in improving your spoken English was enough confidence and practice.