从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑．
| 1. ----- will you be able to finish the job this week? ----- ___________ , but I'm not skilled enough, you know. |
| 2. We arrived at the station _______ late, or we the bus. |
| 3. Is it the watch you want ________? |
| 4. The two thieves fled the town separately, _______ a bag. |
| 5. The little boy can't tell ________. |
| 6. If a baby bird stays _______ for two or three weeks after leaving the nest, it has a fair chance of becoming an adult. |
| 7. We will not attack ______ we are attacked; if attacked,we will certainly counter-attack. |
