I don’t know how ________ commas.
| A．use | B．using | C．used | D．to use |
If I have seven days , I’d like to go to Beijing.
| A．long | B．off | C．on | D．with |
I went to the beach. Where did you go the school trip?
| A．on | B．for | C．with | D．in |
_________ it is! Thank you very much!
| A．What valuable advice |
| B．What a valuable advice |
| C．How good a suggestion |
| D．How good advice |
With the help of the computer, information can ______ every corner of the world very quickly.
| A．get | B．reach | C．arrive | D．return |
The doctor ________ the woman ,but he couldn’t find out what was wrong with her..
| A．looked over | B．looked after |
| C．looked for | D．looked out |