I won’t be able to understand what you say ______you speak too quickly.
| A．if | B．though | C．until | D．unless |
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 |
The population of China_______ than_______ in Japan.
| A．are more, those | B．is more, that | C．is larger; that | D．are lager; those |