If we keep wasting so much energy, _____are that our oil wells will dry up and the environment will be destroyed.
| A．problems | B．difficulties | C．questions | D．chances |
If trees continue _______ at the present rate, it won’t be _______there is no trees for shade.
| A．to cut down; long before | B．being cut down; before long |
| C．to be cut down; long before | D．cutting down; before long |
We should spend the money ______ something _____ everyone.
| A．in; that benefit | B．on; which benefit |
| C．in; which benefits | D．on; that benefits |
Her brother ______ be at home now, because he was seen playing basketball in the stadium just now.
| A．mustn’t | B．needn’t | C．can’t | D．shouldn’t |
Many festivals are held _______ our ancestors for their contribution to the world.
| A．in honor of | B．in the honor of | C．in memory to | D．in the memory of |
To tell you the truth; I really find_____unbearable to work with such a terrible man as his brother.
| A．which | B．it | C．that | D．what |