1. 难道你不认为这是浪费时间吗？(waste)

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10. There was a purse laying on the ground.

9. His father is too hard with the boy.

8. The work was finished much earlier than expecting.

7. Who’s fault is it?

6. Don’t go to the party without invited.

5. He looked angry at me and shouted at me.

4. Who is in the charge of the project?

3. We are looking forward to hear from you soon.

2. Please tell me how to do with these old papers.