．You ________things about. Look! What a mess in your room!
| A．always throw | B．have always thrown |
| C．are always throwing | D．have always been throwing |
The volunteers try to convince people _____ the fact that some species are in danger of _____.
| A．for; dying away | B．about; dying down |
| C．of; dying out | D．on; dying off |
Across the river _____.
| A．lie a new built bridge | B．lies a newly built bridge |
| C．a new built bridge lie | D．a newly built bridge lies |
_____ all the demands had been refused _____ to go on strike.
| A．Only; did the workers decide | B．Not until; the workers decided |
| C．Not until; did the workers decide | D．Only after; the workers decided |
The temperature has _____ heavily, which doesn’t _____ the growth of the crops.
| A．dropped; contribute to | B．fallen; see as |
| C．decreased; refer to | D．gone; classify as |
You should keep an eye ______ him, for I have lost faith ______ him.
| A．in; on | B．on; in |
| C．at; at | D．for; for |