Shen Nong was the first to________tea as a drink．
| A．discover |
| B．look for |
| C．find |
| D．find out |
—Can you tell me ________? —Sure. I go swimming twice a week.
A. how often do you go swimming
B. how often you go swimming
C. when you go swimming
Remember ________ too much. It’s bad for your health.
A. don’t smoke
B. not smoke
C. not to smoke
Do you know _______ he is from Hainan or not?
A. that B. whether C. if
Peter comes to school ________ in his class every day.
A. early B. earlier C. earliest
—_________? —Size M, please.
A. What can I do for you
B. What color would you like
C. What size do you take