JOHN IS AN………STUDENT IN VIÖT NAM.A.EXCHANGED B.EXCHANGE C.EXCHANGI...

121. - TRAC NGHIEM TONG HOP NGU PHAP CUC AN TUONG
TRAC NGHIEM TONG HOP NGU PHAP CUC AN TUONG

121.John is an………student in ViÖt Nam.

A.exchanged

B.exchange

C.exchanging

D.exchanges