—______，Tom, are these your books?
—No, they aren’t .I think they are_______.
| A．Excuse me: Jack | B．Sorry ;Jack’s |
| C．Excuse me; Jack’s | D．Sorry; Jack |
— What do you think of the young lady?
— She is hard-working. She ________ all her effort into her work before she got ill.
| A．has put | B．put | C．had put | D．would put |
The cost of living in Chengdu is among the lowest in China, ________ the quality of life is probably
one of the highest.
| A．since | B．when | C．as | D．while |
— Do you have any plans for the winter holiday?
— Since you are crazy about music, why not go to some ________ concerts?
| A．lively | B．live | C．alive | D．living |
________ Mary ________ Jack is listening to the report carefully, because they are both interested in it very much.
| A．Neither; nor | B．Either; or | C．Both; and | D．Not only; but also |
I don’t make ________ clear when and where the parents’ meeting will be held.
| A．this | B．that | C．those | D．it |