Scientists ______ thousands of chemicals before they decided on the right one in the end.
| A．tried out | B．found out |
| C．worked out | D．turned out |
The captain ordered the crew to throw ____ the side of the ship all heavy guns and even stores in order to raise the boat in the water.
| A．on | B．through | C．across | D．over |
---What do you think of the dinner in Mr Brown's?
---Oh, great! We have never had a better one. It's a dinner of twenty ____.
| A．drinks | B．people | C．tables | D．courses |
It is in Steven Spielberg' s first film, Jaws, ____ a big white shark attacks swimmers ____ are spending their holidays in a small village by the sea.
| A．where; who | B．which; that | C．that; that | D．where; that |
There were many students and teachers at the party yesterday. I looked for two seats to sit down with my friend, Tim, but there were ____.
| A．neither | B．nothing | C．none | D．no |
The teacher came to the classroom and demanded ____ what had happened.
| A．his students to tell him | B．being told |
| C．telling him | D．to be told |