He was born ____ a very cold night _____ December.
| A．in; in | B．In; of | C．on; in | D．on; of |
At first ___ , the bag seems made of real leather, but actually it is just an imitation.
| A．sight | B．look | C．appearance | D．view |
Can you tell us what horses _______?
| A．feed on | B．live on | C．feed by | D．live by |
He said that he didn’t know ______ to deal with the matter, so I left.
| A．what | B．when | C．where | D．how |
The way of life he was used to _______ when he came to study in America.
| A．change | B．changed | C．changing | D．being changed |
He said that we should protect the ancient civilization from _______.
| A．losing | B．lost | C．being lost | D．to lose |