There is ________ on the bed.
| A．a pair of trousers | B．a pair of trouser | C．a trousers | D．a pair trouser |
There are many skirts in this shop. I can't choose .
| A．what to buy | B．which one to buy | C．to buy which one | D．to buy which |
The room is not bright enough. I need to a light on the ceiling.
| A．put in | B．put on | C．put up | D．put with |
The piano sounds .I want to leave now. Where is the exit(出口)?
| A．wonderful | B．good | C．nice | D．terrible |
Jack his pet dog every day. The dog must feel sad when he’s alone all day long.
| A．should walking | B．should to walk | C．had better walk | D．had better to walk |
--Don't touch my computer when I'm away, OK?
--Sorry, .
| A．I won't | B．I can't | C．I don't | D．I'm not |