问题补充:
Only according to the directions can the medicine be quite effective .
A. taking
B. taken
C. being taken
D. having been taken
答案:
A. taking
(答案→)B. taken
C. being taken
D. having been taken
解析:可联系答.案.网客服索取。
时间:2019-03-28 10:26:48
Only according to the directions can the medicine be quite effective .
A. taking
B. taken
C. being taken
D. having been taken
A. taking
(答案→)B. taken
C. being taken
D. having been taken
解析:可联系答.案.网客服索取。