—How can we _________ a large amount of fruit in the summer?
—By freezing or bottling.
| A．deserve | B．reserve |
| C．preserve | D．observe |
相关试题
It is uncertain ______ side effect the medicine will bring about, although about two thousand patients have taken it.
| A．what | B．that | C．how | D．whether |
The English in the future will be quite different from the English of tod
ay. It is possible that some English words may even ________ completely.
| A．die down | B．die out | C．die off | D．die of |
Rainforests __________ and burned at such a speed that they will disappear from the earth in the near future.
A．cu t |
B．are cut | C．are being cut | D．had been cut |
_______ the rain falling so hard, it becomes more and more difficult to carry on the rescue work.
| A．Since | B．As | C．With | D．For |
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