问题详情:
We urge ________ extreme caution in ________ use of this medicine, which has not been officially approved yet.
A. an; the B. an; / C. /; the D. /; /
【回答】
C
知识点:冠词
题型:选择题
问题详情:
We urge ________ extreme caution in ________ use of this medicine, which has not been officially approved yet.
A. an; the B. an; / C. /; the D. /; /
【回答】
C
知识点:冠词
题型:选择题