---________ do so many students stand before the blackboard?
--- To find out some information on the New Year Show.
| A．When | B．Where | C．Why | D．What |
________ a walk is good for your health.
| A．Take | B．To take |
| C．Taking | D．To takeing |
This tall building has _______ floors. And Tony lives on the ______ floor.
| A．twelve; twelve | B．twelfth; twelfth |
| C．twelve; twelfth | D．twelfth; twelve |
My bicycle doesn’t work. I’ll ask Uncle Wang __________.
| A．fix it up | B．to fix up it |
| C．fix up it | D．to fix it up |
—— 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 |