----May I put luggage on the seat beside you, sir?-----_________.
After staying in hospital for long, the patient was advised to go to the seaside to____ his health.
______, I think, the problems can be settled in no time.
Play, often seen as____activity for kids, is still important in_________development of teenagers.
Low-carbon lifestyle is of great benefit to improve the world environment.can be enjoyed from it until you have a deep understanding of it,however.
The scientist was rewarded by the government forsuch a great,contribution to the country.