According to the national population survey concluded recently, Florida is home to the largest population of people aged 65 and older, and this group ______ over 17 percent of the state’s population.
Your attention should be focused ______ your homework rather than TV programs.
Loving your children doesn’t mean ______ them whatever they want.
— Jenny, let’s go to the party tonight. — ______ I have a lot of homework to do.
Dr. Smith, together with his wife and daughters, _____ visit Beijing this summer.
The number of foreign students attending Chinese universities _____ rising steadily since 1990.