. —What are you busy with? —The conferen
问题:
.
—What are you busy with?
—The conference___________in our city next week, as you know.
A.held
B.will be held
C.be holding
D.to be held
.
—What are you busy with?
—The conference___________in our city next week, as you know.
A.held
B.will be held
C.be holding
D.to be held