Bài rập bổ trợ dn thì Tiếng Anh D. Were/going B. Do/go C. Have/gone A. Did/go 12) This house 35,000 pounds in 1980. D. was cost B. cost C. had cost A. costs 13) While Tom tennis, Ann a shower. B. playing/taking A. played/took C. was playing/was taking D. was play/was take 14) Mr. Tin is playing chess. How long B. is/playing in the garden, the phone he A. đid/play C. has/play D. has/been playing 15) When they A. worked/was ringing B. were working/rang C. worked/rang D. work/rings 16) After they their break fast, they shopping yesterday. A. have/go B. had had/go C. had/had gone D. had had/went 17) They tea when the doorbell A. have/is ringing B. were having/rang C. had had/ rang D. having/ringing 18) Father his pipe while mother a magazine. A. smoked/read B. had smoked/read D. smoking/reading C. was smokingwas reading 19) When I into the office, Mr. Tín for me. A. came/was waiting B. was coming/waited C. had come/waited D. came/waiting 20) When I Brian, he a taxi. A. see/drives B. see/was driving C. saw/was driving D. saw/is driving 21) When he we dinner. A. arrived/having B. arrived/were having C. was arriving/had D. had arrived/had 22) While they. chess, we the shopping. A. playing/doing B. were playing/doing C. played/did D. were playing/were doing 23) They football when the lights in the stadium out. A. were playing/went B. played/was going C. were playing/ was going D. playing/went 24) While George and John their room, she the ironing. A. cleaning/doing B. were cleaning/was doing C. were cleaning/doing D. cleaning/was doing 25) Today is Thursday and she late twice this week. She late yesterday and on Monday. A. is/was B. has been/is C. has been/was D. has been/had been 26) He in the same house since 1975. MUCS Dân Chủ 16