Jim, ______ you have a TV? [ ]
A. do
B. is
C. are
D. does
答案:A
My sister met him at the Grand Theater yesterday afternoon, so he ________ your lecture.
A.couldn’t have attended
B.needn’t have attended
C.mustn’t have attended
D.shouldn’t have attended
教学过程的中心环节是()。
A.感知知识
B.理解知识
C.巩固知识
D.运用知识