He was told that the money would have to be paid back but he refused______.
A. to do so
B. it to be done
C. doing it
D. to pay the money back
It is time we stared to think seriously about the growing shortage of raw materials in the
A. stop
B. stopped
C. to stop
D. would stop
抗癫痫药物开始治疗时,从总量的多少开始
A. 1/3~1/2
B. 1/2~2/3
C. 2/3~3/4
D. 全量
E. 以上都不是