(2013·重庆模拟)—When did your brother begin to show his interest in medicine?
—It was a Saturday he noticed his classmate experimenting on a frog in the lab.
| A．that | B．what |
| C．when | D．which |
Always read the on the bottle carefully and take the right amount of medicine.
| A．instructions | B．explanation | C．description | D．introductions |
Would you please the paper for me and see if there are any obvious mistakes?
| A．look around | B．look into | C．look up | D．look through |
I’ll give you a phone call to Paris.
| A．the moment I will get | B．the moment I get |
| C．at the moment I get | D．at the moment I have get |
---Journalists have to work very quickly in order to .
---I know. I like that. It’s very challenging.
| A．avoid lose their job | B．avoid firing |
| C．avoid being fired | D．avoid to be fired |
Wouldn’t it be wonderful world if all nations lived in peace with one another?
| A．a；/ | B．the；/ | C．a；the | D．the；the |