Before you go to Canada, you need to learn more it.
| A．from | B．in | C．by | D．about |
--______ do you stay up late?
-- Never. I always go to bed early.
| A．How long | B．How soon |
| C．How often | D．How far |
--_____ did Dave go on vacation?
-- He went to the mountains.
| A．What | B．When | C．Where | D．How |
—Thanks for your help，Mary! —________.
| A．Good | B．Don’t thank me |
| C．You're welcome | D．All right |
—_________ are these trousers?
—The trousers on the bed? They are only $15.
| A．How many | B．What color |
| C．Where | D．How much |
—Who ______ P.E? —Sam _______.
| A．like; does | B．likes; do |
| C．likes; does | D．like; do |