Many students stay up late into the night, some of whom during the boring lecture.
A. drop off B. drop in
C. get away D. drop out
The number of road accidents and the deaths those accidents over the past years.
A. resulting in; has increased B. arising from; have increased
C. resulting from; has increased D. resulting from; have increased
If penicillin available, many people from sickness or even small wounds in World WarⅡ.
A. was not; would die B. were not; would have died
C. had not been; would died D. had not been; would have died
One of the good points of the Internet is that we can people with similar intetests in distant areas and comminute with them.
A. correspond with B. bring up
C. link up D. call on
Studies show that kids living and studying in a harmonious environment are less likely to become .
A. abnormal B. aggressive
C. alarmed D. opposed
The first trials of Aspirin took place in 1899, ____ the company Hoffmann worked for ___distributing the medicine in powder form to physicians to use with patients.
A. when; began B. which; beginning
C. when; beginning D. which; began
