题目内容
| 用下列框中词的适当形式填空。 | |
2. Zhai Zhigang is the _______ Chinese astronaut to walk in space. 3. There are some snakes, _______ and birds in this zoo. 4. In North America, many students walk or _______ the school bus to school. 5. Jim is really a _______ boy. |
| 1. opening 2. first 3. dolphins 4. take 5. lucky |
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