| 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. |
| 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. |