' I have been trapped down the hole for hours,' the boy said to his father. ( that )The boy told_______________________________________________hours.

He said to me, “My son came here two hours ago.” A: He told me that his son had come here two hours ago. B: He told me that my son had come here two hours ago C: He told me that his son had gone there two hours ago. D: He told me that his son had gone there two hours before

That boss _____ his workers work more than 12 hours a day. A: made B: asked C: told

Q: How many hours is the flight from Toronto to Beijing? A: 18 hours B: 28 hours C: 20 hours D: 19 hours

They cleaned their classroom ____ . A: three hours B: on three hours C: three hours ago D: three hours later

Part I: Listening Comprehension (15%) A: 40 hours B: 47 hours C: 49 hours D: 50 hours

How many hours before the departure should you call to ask for cancellation of your flight？ A: 10 hours B: 12 hours C: 18 hours D: 24 hours

47. How many hours will the applicants work each week? A: A. 16 hours B: B. 18 hours C: C. 20 hours D: D. 24 hours

 I cleaned my classroom ___________. A: with three hours B:  three hours ago C: in three hours D: three hours before

It takes ______ to produce the first tank top by using 3D printer. A: 28 hours B: 14 hours C: 7 hours D: 2 hours