251. I already ……….. (ask) you three times for a glass of water.
252. He ………. (leave) as soon as he ……… (hear) the news last night.
253. I opened the door just as my boy-friend Tom ……….. (ring) the bell.
254. We ……….. (not see) Mr. and Mrs. Baker for a long time.
255. It will soon be fifteen years since we …….. (come) to live in Ho Chi Minh city.
256. Until she spoke I ……… (not realize) she ……… (be) foreign.
257. Don’t leave till I ………. (arrive).
258. When your father ……… (die)? ~ I ………. (not know) when he ……… (die).
259. It …….. (rain) when we arrived.
260. Dick ………..(start) school before he ………. (be) seven.
Loga
Sinh Học lớp 12
