15.--Hello, is that Liu Tao? --Yes, ______.A .I am B. it is C. speaking
This ------- my friend .A are B.is C.not
He is tall and ---------A.thin B.short C.boy
Are they on the table? A.Yes,they are B.No,they are C.They are students.
Where is She?A .She is a teacher B.She is cook ing C.She is in the study.
Is your friend a boy ____ a girl?A. and B. or C. with