Ⅰ. 单词拼写
1. We visited the (博物馆)last weekend.
2. This interesting (展览)will be held next week.
3. How was Teng Fei's school (旅行)?
4. We went to a (废水)plant last Sunday.
5. My mother cut the cake into three (块).
6. We should not (浪费)water and electricity(电).
7. The old (机器)was too heavy to move.
8. I didn't (认识到)it was so late.
9. There is a (戏院)in front of the supermarket.
10. How many (步骤)does making dumplings need?

Ⅰ. 1. museum 2. exhibition 3. trip 4. wastewater 5. pieces 6. waste 7. machine 8. realize 9. theatre 10. steps

Ⅱ. 拓展词汇变形
1. prep. 在……里面→ prep. 在……外面(反义词)
2. n. 工厂→ n. 工厂(pl.)

Ⅱ. 1. inside; outside 2. factory/plant; factories/plants