—It’s dangerous to swim here. Look at the sign!
—Oh, I _______ it.
| A．didn’t notice | B．don’t notice |
| C．hadn’t notice | D．haven’t notice |
She is the girl whose painting won the first in school competition.
| A．who | B．whom | C．whose | D．that |
–We’ll go to the supermarket if it .
– Really? The thing is, who knows when it ?
| A．doesn’t rain, will stop raining |
| B．is rain, stops raining |
| C．don’t rainy, won’t rain |
| D．won’t rain, stops to rain |
– Would you likecamping with me?
–I’d like to, but I’m busymy homework.
| A．to go , to do | B．to go, doing |
| C．going, to do | D．going, doing |
–You look worried! What’s the matter?
– My dog was lost. I it everywhere.
| A．were looking for | B．was looking for |
| C．is looking for | D．am looking for |
– Look at the smog. (雾霾)bad weather it is!
–It is ! Everyone should realize important protecting the environment is and take actions.
| A．How, how | B．How a, what a |
| C．What, how | D．What a, how an |