问题
选择题
—______ he ______ his lessons?
—No, he isn't. [ ]
A. Is; study
B. Does; study
C. Is; studying
D. Is; to study
答案
答案:C
—______ he ______ his lessons?
—No, he isn't. [ ]
A. Is; study
B. Does; study
C. Is; studying
D. Is; to study
答案:C