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 |
The number 13 is a special number, ____, I think, that will be hated by the foreigners.
| A．what | B．it | C．which | D．one |
．It is said that the novel Henry had devoted so many years to ______published last week.
| A．get | B．gets | C．got | D．getting |
——The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?
——____ Tom have a try?
| A．Shall | B．Can | C．Will | D．Need |
．Nowadays teenagers like to go to the fast food restaurant, ________, as the name says, eating needn't take much time.
| A．which | B．however | C．therefore | D．where |
－If we take a plane, we’ll of course have arrived in London by the next weekend.
－Don’t be too sure. We should _____ the weather factor. What shall we do if it is foggy?
| A．look for | B．allow for | C．prepare for | D．use for |