8．—Isn’t it a surprise that I happened to meet Emily at Doris’ birthday party last weekend?
—If my memory serves me correctly, you__________each other for exactly three years.
| A．hadn’t seen | B．haven’t seen | C．didn’t see | D．don’t see |
29. —Has he changed his mind?
—Yes. After some hours of discussion, I ______ to talk him into accepting the new plan.
| A．had managed | B．managed | C．have managed | D．would manage |
24. —Mr Smith, ______ John ______ this week? A friend of his is coming to see him this afternoon.
—No. He is on holiday.
| A．has; worked | B．is; working | C．did; work | D．does; work |
Our food_____out, why not go to the market and buy some?
| A．runs | B．ran | C．is running | D．has been run |
―Look! What a mistake! Why?
―Sorry, I _________ on it.
| A．don’t concentrate | B．hadn’t concentrated |
| C．haven’t been concentrating | D．wasn’t concentrating |
24. —Hi, Alice, you look tired.
—I am tired. I__________ the living room all day.
| A．painted | B．had painted |
| C．have been painting | D．have painted |
20. His sister left home in 1998, and______since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
7.---Mary, you didn’t show up at the meeting last week?
---No, I________, but my son had a sudden fever and I had to stay at home to take care of him.
| A．didn’t | B．was going to | C．had to | D．wouldn’t |
4．The first time I met David in the Central Park, both of us felt that we________each other for ages.
| A．knew | B．have known | C．had known | D．Know |
28. The water will be further polluted unless some measures ______.
| A．will be taken | B．are taken | C．were taken | D．had been taken |