UNIT 1 +2 II. TEST

2. - DE KIEM TRA 1 TIET CO MA TRAN DAP AN VA SUA BAI
DE KIEM TRA 1 TIET CO MA TRAN DAP AN VA SUA BAI

2.Supply the correct tense or form of verbs in brakets (1m)

a.has worked b.is grown c.were…d.did….do…?