①No matter what hard the project is, I will finish it on time.

②They were extreme sad at the thought of their missing dog.

③I was about to lock the door while the telephone rang.

④Burying in his study, he didn't know that all the others had left.

⑤It's so nice weather that I'd like to take a walk.

⑥Mr. Smith insisted that the thief put into prison.

⑦The number of teenagers injured in the earthquake is frightened.

⑧Smoking can do damage for your health.

⑨I find the man is very difficult to get along.

⑩My father bought a new bike for me which price added up to more than 1000 Yuan.