2017-2018学年人教新目标八年级英语上册Unit7习题含答案
Ⅰ. 根据句意及所给汉语提示，写出句中所缺单词。
1. This book is made of ________(纸).
2. Water ________(污染) is becoming a serious problem.
3. Is there any life on other ________(行星), Jane?
4. Last spring Miss Jones and her students ________(种植) many flowers in the park.
5. We should care about our ________(环境).