A: Listen! Is it Tina singing in the next room?B: No, it __________ be her. She is still in Shanghai.

Do you know Jim quarreled with his mother? — I don’t know. _____.

Do you know(认识) that girl?—Yes. _____ name is Mary.

Her sister is a nurse and her job is to care for sick people.

This is not my Walkman. It’s _________. Mine is over there.