题目
——Who is using my tape-recorder? ——___.A. Mary isB. Mary is usingC. Mary isn'tD. Mary has
——Who is using my tape-recorder? ——___.
A. Mary is
B. Mary is using
C. Mary isn't
D. Mary has
题目解答
答案
A. Mary is
A. Mary is
B. Mary is using
C. Mary isn't
D. Mary has