20.How long ……Trung’s sister …….. English ?- For six years A. did/ learn B.has/ learned C.has/ been learnt D.does/ learn 21.They ……… since last week A. didn’t smoke B. weren’t smoke C. haven’t smoked D. hasn’t smoked 22.This baby ………care of by my grandmother for nearly a month. A. has taken B. has been taken C. is taken D.was taken 23.Hong Son …… for the national team in 99 matches so far. A. has played B. is playing C. played D.was playing 24.My parents always …….. me proper encouragement. A. Give B.gives C. gave D. are giving 25.I ……. tennis with my girl friend every Wednesday A. Play B.plays C.played D.am playing 26. Every morning, the sun …….. in my bed room window. A. Shine B.shines C.was shining D.is shining 27.Nga’s brother is good at………. household appliances. A. Repair B.repairs C.repairing D.repaired 28.We were delighted ……… your letter yesterday. A. Got B.get C. getting D.to get 29. Nam usually takes a shower after ……..volleyball. A. Play B. plays C.playing D.played 30. I’m tired of ……… one lesson over and over A. Learning B.learn C.learned D.to learn