He seldom stays up late at night, _______ he has too much work to do.
| A．if | B．unless | C．until | D．while |
—Many teenagers show interesting the books that are written ________Guo Jingming.
—That’s true. My son says he can get what he thinks and wants in his books.
| A．by | B．with | C．for | D．to |
—Can you imagine ____________the Taiwan HEDP(塑化剂) event will affect our life?
—I’m not sure. Many people have begun to have water instead of drinks.
| A．how far | B．how many | C．how often | D．how much |
—Mind your steps as you go, or you’ll fall down on to the wet ground.
—_____________.
| A．Not at all | B．Thank you | C．I don’t | D．Don’t mention it |
—I hope I can volunteer my time in Search of Root this summer holiday.
—_____________!
| A．Good idea | B．Not yet | C．My pleasure | D．No thing serious |
—Do you know when World Non-smoking Day is?—_____________.
| A．It’s a fine day | B．It’s May 31 | C．It’s Sunday | D．It’s time to give up smoking |