— I am afraid that a ghost is behind the tree!
—______! There is no ghost in the world.
| A．Be careful | B．Come on |
| C．That’s OK | D．You’re welcome |
My clock often ____ in the morning
| A．wake me up | B．wakes me up |
| C．wake up me | D．wakes up me |
____ my father ____ my mother take good care of me. I love them very much.
| A．Either, or | B．Neither, nor |
| C．Both, and | D．As, as |
It’s comfortable to get close to nature_______ the beauty of nature.
| A．to enjoy | B．enjoy |
| C．enjoying | D．Enjoyed |
There will be ______ red-crowned cranes in the world if we don’t protect them.
| A．less and less | B．a little |
| C．more and more | D．fewer and fewer |
Environment(环境) is very________，but you don’t understand the_______ of it，you always drop litter everywhere．
| A．important，important | B．important，importance |
| C．importance，importance | D．importance，important |