--Have you decided _______ to Shanghai to visit World Expo, Simon?
- -Yes. I’ll go there by train. It’s much cheaper than by plane.
| A．where to go | B．how to go |
| C．when to go | D．whom to go |
—___________
—Fine, thank you.
A. Welcome to China.
B. How are you?
C. How old are you?
—Hello! ________ you Miss Zhang?
—Yes, I am.
A. Are B. Is C. Am
Lucy is 7 years old. She is ________ to go to school.
A. enough old
B. young enough
C. old enough
—We should eat more _______ food to keep our __________.
A. health ; healthy
B. healthily ;health
C. healthy ;health
—Must we finish the project in a month?
—No, you _______.
A. mustn’t B. needn’t C. can’t