1a. They repair b. The children repair
2a. My husband bought b. I'm sorry we bought
3a. When did you get up? b. Nobody got up
4a. How many exams did you fail? b. Last holiday, we swam
5a. Professor Graham answered b. Who answered
6a. Two years ago, Mr. Keaton taught b. How long have Ms. Lee taught
7a. have been making b. made too much noise last night c. ironed the iron a few days ago d. have not repaired your car yet e. Did Mr. Thomas build this house? f. have not used this piece of land yet g. How has taught your children yet? h. Did you arrive this morning? i. Has George left so far? j. Did you ever swim in the ocean? k. We have not swum in the sea a lot l. Has not answered my question yet m. Were you using the phone when you rang? n. Which Ms. Lee has taught in your school?
8a. We have booked b. I booked a room for you, sir. When are you arriving?
9a. Did you turn off the TV before going to bed last night? b. Turn off the lights.