问题
选择题
-_____ those your grandparents?
-No, _____.[ ]
A. Is; they are
B. Are; they are not
C. Is; it is
D. Are; it isn't
答案
答案:B
-_____ those your grandparents?
-No, _____.[ ]
A. Is; they are
B. Are; they are not
C. Is; it is
D. Are; it isn't
答案:B