Mary and Bob are great. of them are in the competition.
| A．None | B．Neither |
| C．All | D．Both |
— Could you please in the room? — Oh, I’m sorry.
A. not smoking
B. not smoke
C. not to smoke
—have you owned the house? — For five years.
A. How long
B. How much
C. How often
My father has lived in Beijing he was ten years old.
A. for B. since C. from
— What you at 9:00 yesterday?— I some food.
A. did; do; eat
B. are; doing; ate
C. were; doing; was eating
Jim asked me him with his Chinese.
A. to help B. helping C. help