Scientists say it may be five or six years _____ it is possible to test this medicine on human patients.
| A．since | B．after | C．before | D．when |
206. The loud noises from that factory almost _____ me mad.
| A．multiply | B．caused | C．drove | D．Turned |
205. The battle hero we _______an ordinary soldier at first gave us an inspiring(令人鼓舞的) talk.
| A．took on | B．looked on | C．looked upon | D．looked on as |
204. Old people think fondly of old times. They often gather and _____ old friend and events.
| A．look forward | B．look back on | C．look back | D．look into |
203. If you don’t know the word, why don’t youin the dictionary.
| A．look at it | B．look after it | C．look up it | D．look it up |
202. Who will _____ your father? Which of the following is not correct?
| A．look after | B．take care of | C．attend | D．attend for |