1. ----Which of the people standing there is your English teacher?
---- The man ______ hair is white.
A. which B. whose C. that D. who
2. On April Fool’s Day, our classmates played tricks __ each other.
A. at B. for C. on D. of
3. _________ open the door for you?
A. would you like that I B. Do you want that I
C. Will I D. Shall I
