Silk from China found its way to India, the Middle East and Rome, _______ spices and glass, which was not known to China.
| A．in exchange for | B．in return | C．in change for | D．in need of |
It is widely accepted that young babies learn to do things because certain acts lead to __________.
| A．rewards | B．prizes | C．awards | D．results |
Be-fore a problem can be solved, it must be obvious __________ the problem itself is.
| A．what | B．that | C．which | D．why |
Before the war broke out, many people __________ pos-sessions in safe places that they could not take with them.
| A．threw away |
| B．put away |
| C．gave away |
| D．carried away |
Can you make a sentence to __________ the meaning of the phrase?
| A．show off | B．turn out | C．bring out | D．take in |
What you have done will not have __________ your fame.
| A．a good effect on |
| B．toaffect |
| C．a good affect on |
| D．effected |