—It's such ________ useful talk that I'd
题型：选择题
问题：
—It's such ________ useful talk that I'd like to listen to it again.
—Do you mean _________ talk given by Mr. Li yesterday? [ ]
A. an, the
B. a, a
C. an, a
D. a, the
—It's such ________ useful talk that I'd like to listen to it again.
—Do you mean _________ talk given by Mr. Li yesterday? [ ]
A. an, the
B. a, a
C. an, a
D. a, the