—Is Mr. Brown a good teacher?—Yes. He is kind ____ us. We love him.
---Do you mind my listening to the music?---____. The boy is sleeping.
The old scientist devoted all her time she had ____ the western parts of China.
---I haven’t seen Lucy for three days. Is she ill?---______. Her sister told me she was in hospital.
We don’t believe _____ little children can do ____ much work in such a short time.
---Could you tell me when your father___back?---I’m not sure now. but when he ___next week, I’ll tell you.