should not be allowed to go out at night.
| A．Twelve-years-old | B．Twelve-year-olds |
| C．Twelve year old | D．Twelve years olds |
We are not supposed ______ basketball on Sundays.
| A．to play | B．playing | C．with playing | D．played |
Do you know ______ over there?
| A．what happens | B．what was happened |
| C．what happened | D．what did happen |
The hungry dog went out ______ food.
| A．look for | B．to look for | C．find | D．to find |
---Kate, I met two aliens in my garden last night. ---______
| A．That’s OK. | B．How do you know that? |
| C．You are kidding! | D．Did you see them? |
I had ______ interesting experience on Sunday.
| A．a | B．an | C．the | D．/ |