18. ---- Are you free after school?
---- Sorry. I’ve planned to treat a friend of mine to dinner _______for his help.
A.in charge | B.in honour | C.in turn | D.in return |
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18. ---- Are you free after school?
---- Sorry. I’ve planned to treat a friend of mine to dinner _______for his help.
A.in charge | B.in honour | C.in turn | D.in return |
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