A．He was smoking a pipe.B．He was learning to smoke.C．He was studying a tobacco plant.D

What did Juan ask his roommate to do when he was making his trial speech？A．Interrupt him w

听力原文：M: I wish I could see George here.W: He was planning to come, but a moment ago hi

听力原文：M: Did you hear that Mike had his arm broken？W: Yes. He was injured in a car acci

Which of the following statements about Dr. Macphail is INCORRECT？A．He was sociable.B．He w

Why did the writer get angry with his colleague？A．He was arguing some issues of the work w

When he was the director in the plastic plant, he ______ together with the workers.A．has w