The number of various educational programs is increasing important roles have been recognized by more and more people.
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.