（全国II 10） —Have you finished the book？
—No. I’ve read up to _____ the children discover the secret cave.
| A．which | B．what | C．that | D．where |
Under the present system,state enterprises must___all profits to the government
| A．turn down |
| B．turn up |
| C．turn out |
| D．turn in |
Everthing we eat and drink contains some salt;we can meet the body’s need for it from natural sources without turning___the salt bottle
| A．to |
| B．over |
| C．on |
| D．up |
The boat___and threw us all in the water
| A．turned away |
| B．turned over |
| C．turned out |
| D．turned in |
___to the sun for too long can hurt your skin
| A．Being exposed |
| B．To expose |
| C．Exposing |
| D．Exposed |
Jack is late again.It is___of him to keep others waiting
| A．normal |
| B．ordinary |
| C．common |
| D．typical |