Yesterday, a man said he saw _______ UFO in the park. The police are looking for _______ UFO now.
| A．an; the | B．the; the |
| C．a; the | D．the; an |
weather it is today!
| A．What a cold | B．How a cold |
| C．What cold | D．How cold |
Yesterday I took Tom’s schoolbag .
| A．in mistake | B．by mistake |
| C．with mistake | D．for mistake |
We should do what we can our environment.
| A．protect | B．be protected |
| C．protected | D．to protect |
I don’t think he is an honest boy, ?
| A．do I | B．isn’t he |
| C．is he | D．don’t I |
Waste paper shouldn’t everywhere. We must keep our school clean.
| A．have thrown | B．throw |
| C．be thrown | D．be throwing |