The new machine，if _________ properly，will work at least ten years.
| A．use | B．using | C．being used | D．used |
Look! There are lots of ________ birds flying over the trees.
| A．funny red little | B．funny little red |
| C．little funny red | D．little red funny |
The old rules have to be ______ because they only applied to the circumstances that existed when they were made a hundred years ago.
| A．developed | B．established | C．observed | D．revised |
—Have you figured out how much the tuition is in American universities?
—$19 000 or ________ like that.
| A．anything | B．everything | C．nothing | D．something |
)We pursue happiness，thinking one day we will find it.But_________it by seeking it.
| A．rarely will we find | B．rarely we will find |
| C．rarely will find we | D．rarely find we will |
She suggests another approach, one, I think, ________ suits us better.
| A．that | B．where | C．which | D．wh |