It’s too cold.Do you mind ______ the window?
| A．my closing | B．my opening | C．open | D．close |
—— Would you like ________ camping with me ?
—— I’d like to. But I’m busy ______ my homework.
| A．to go ; to do | B．to go; doing |
| C．going; to do | D．going; doing |
—— How does Jack usually go to school?
—— He ________ ride a bike, but now he is used to ______ there.
| A．used to; walk | B．was used to; walking |
| C．was used to; walk | D．used to; walking |
You should _______ the bus when it stops.
| A．get off | B．cut off |
| C．take off | D．put off |
We really don’t know ________ . Could you help us？
| A．how to do | B．what to do |
| C．to do what | D．to do how |
—— I think running is an easy way to keep healthy.
—— __________ , but Bill doesn’t think so.
| A．I disagree | B．I agree |
| C．I’m afraid not | D．I don't think so |