–Who cleaned the blackboard yesterday?
--Mary .
| A．cleaned | B．does | C．did | D．is |
— I’m not sure you eat vegetables every day.
— I know they are good for health, so I eat them every day.
| A．if; that | B．that; if |
| C．that; that | D．if; if |
The railway______ Qinghai to Tibet is the longest plateau (高原) railway in the world.
| A．connected | B．connects |
| C．connecting | D．is connected |
_____ of the twins has been there before.
| A．Both | B．Neither | C．All | D．None |
You can _______the cake _______ten pieces.
| A．divide, into | B．be divided , into |
| C．divided, into | D．be divide, into |
Tom is in a bad mood. Let’s .
| A．cheer up him | B．cheer him up |
| C．calm him down | D．calm down him |