Unit5 Lesson28 The study of living things 基础专练（2课时，含答案）.doc
冀教版九年级全册Unit 5 Lesson 28 同步练习
第1课时（附答案）
1、适当形式填空
1．Compared with five years ago, our hometown (complete) changed.
2．The (chemistry) in the vegetables and fruit are harmful to our health.
3．A bird (lay) eggs in the nest that it has built.
4．It was closing time，but the (interest) tour...