Don’t you think it essential that every resident of Guangzhou spare no effort to make contributions to the 16th Asia Games?
| A．should | B．will | C．shall | D．would |
I noticed the puzzled look on his face, I realized that he didn’t understand me.
| A．Although | B．When | C．Unless | D．Until |
Tod thought he waswhen the manager asked him for the advice on the new project.
| A．something | B．anything | C．somebody | D．anybody |
It is impossible that you achieve your goal without effort, ?
| A．don’t you | B．is it | C．isn’t it | D． do you |
In this technological eraonce took a century now only takes a month.
| A．which | B．that | C．when | D．What |
The pillshim.If only he had taken them regularly.
| A．could help | B．may help |
| C．must have helped | D．might have helped |