《2025年同步练习册山东人民出版社高中英语必修第二册外研版》

Ⅰ. 单句语法填空
1. If you hand in your homework late，attach a note explaining(explain)the reason for the delay.
2. He hurried to the train station，only to find(find)the train had left.
3. To save(save)energy，we turn off the lights for Earth Hour on the last Saturday in March.
4. When he left，he said to me，“I'm sorry to have troubled(trouble)you so much.”
5. The airport to be completed(complete)next year will help promote tourism in this area.
6. He is wealthy enough to afford(afford)such a big house.

答案： 1.explaining 2.to find 3.To save
4.to have troubled 5.to be completed
6.to afford