题目内容
The drug came under strong attack from _______ professional observers, who had been backed up by many doctors.
A. confused B. confusing C. concerning D. concerned
D
练习册系列答案
相关题目
题目内容
The drug came under strong attack from _______ professional observers, who had been backed up by many doctors.
A. confused B. confusing C. concerning D. concerned
D