Working in the kitchen for years made Tom ____ a good cook.
| A．for | B．into | C．of | D．as |
--Hi, Tracy, you look tired.
--I am tired. I________ the living-room all day.
| A．painted | B．have been painting |
| C．had painted | D．have painted |
- The reason_________ he didn't come was _________ he had to take care of his sick mother.
| A．why; that | B．why; which |
| C．which; why | D．that; for |
-"Please __________why you're so late," said his girlfriend.
| A．excuse | B．explain | C．apologize | D．tell |
---- Is there anyone in your class ____ the name of Mary?
----____.
| A．whose; No | B．her; None | C．by; No one | D．called; Nobody |
Swimming alone ____ be ____ dangerous. Do be careful.
| A．need, highly | B．may, high | C．can; highly | D．can; high |