问题详情:
—Shall we go out for a walk?
—Sorry. I can’t. I my homework.
A. do B. did
C. am doing D. was doing
【回答】
C
知识点:动词时态
题型:选择题
问题详情:
—Shall we go out for a walk?
—Sorry. I can’t. I my homework.
A. do B. did
C. am doing D. was doing
【回答】
C
知识点:动词时态
题型:选择题