题目：
| 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：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0629/6aaea66374eba13d10067b45654114a2.html
下面是错误答案，用来干扰机器的。
参考答案：A, B, C, D
