Was it through Mary, _____ was working at a high school, ____ you got to know Tom?
| A．who; who | B．that; which | C．who; that | D．who; which |
—A second, please. I have another call coming through.
—_____. I’m not in a hurry.
| A．Enjoy yourself. | B．Leave me alone. | C．Why not. | D．Take your time. |
He has to finish the experiment today. He must be in the lab, ______?
| A．mustn’t he | B．won’t he | C．doesn’t he | D．isn’t he |
Not far from the school there was a garden, _____ owner seated in it playing chess with his grandson every afternoon.
| A．its | B．whose | C．which | D．that |
Before us lies the biggest room, _____ with things like guns, dolls and old clothes.
| A．filling | B．filled |
| C．being filled | D．having been filled |
—What do you think of my plan？
—Sorry. What’s that? I_____ about something else.
| A．thought | B．am thinking |
| C．was thinking | D．had thought |