The genetic engineering, ______ progress has been very rapid recently, is perhaps the most important of all the sciences．
| A．to which | B．with which | C．in which | D．for |
— What about having a drink?
— __________ .
| A．Good idea. | B．Help yourself. | C．Go ahead, please. | D．Me, too. |
26. She has lived in Shanghai and Chongqing, but she doesn’t like __________ city very much.
| A．each | B．neither | C．both | D．either |
He called on another girl, __________ was more suitable for the job.
| A．he believed | B．who he believed | C．he believed she | D．whom he believed |
On May 12th, many parts of Sichuan were struck by an earthquake, from__________ effects the people are still suffering.
| A．that | B．whose | C．those | D．what |
In France it is the__________ to shake hands with people in the office every morning.
| A．habit | B．behavior | C．custom | D．act |