How the big forest fire has remains to be a mystery.
| A．turned up | B．broken out | C．taken place | D．broken up |
The dictionary doesn't belong to your brother ____ _____ , but it belongs to me.
| A．and; me | B．or;yours | C．or;mine | D．and; yours |
__ we know, in a chemical change, energy cannot be created, ____.
| A．Which, nor can it be destroyed | B．As, neither it can be destroyed |
| C．As, neither is it able to be destroyed | D．What, nor is destroyed |
People ___ her because she ___ such a strange hat.
| A．make fun of, wears | B．laugh at; puts on |
| C．jokes about; is putting on | D．smile to; is having on |
In such weather.Tom prefers ____ at home ____ go out for playing.
| A．to stay, to | B．to stay, / | C．to stay; rather than | D．staying, to |
I used to be able to play well but I'm _____ now.
| A．out of date | B．out of touch | C．out of practice | D．out of place |