问题
填空题
| 用方框内所给词的适当形式填空，有两项多余。 | |
2. The boy is from India. He is an ______. 3. The scientists spent three years ______ the truth. 4. Have you ______ such an interesting film before? 5. Our ______ environment is getting worse and worse. |
答案
1. wonderful 2. Indian 3. discovering 4. seen 5. natural