——_______is your Maths teacher?
——I don’t know.He looks very young.
| A．How many | B．How much |
| C．How old | D．How long |
【2012山东日照】 －Tell us something about Canada, OK?
－I’m sorry. _________ Jack _________ I have ever been there.
| A．Either; or | B．Not only; but also |
| C．Both; and | D．Neither; nor |
【2012江苏泰州】Cross the road carefully, ____you’ll keep yourself safe.
| A．so | B．or | C．but | D．and |
【2012 贵州遵义】—How was your climbing Mount. Huang?
—I didn’t believe I could do it _______ I got to the top.
A. until while C. after
【2012 贵州遵义】Help others whenever you can_______ you’ll make the world a nicer place to live in.
A. or B. and C. but
【2013山东临沂】Please hold on to your dream one day it comes true.
| A．if | B．until | C．unless | D．though |