Members of the Beijing Wheelchair Dance Training Base, was set up in 2009, are able to manage their wheelchairs perfectly.
Since you can solve the problem,I don’t feel_____worthwhile taking such trouble.
The scientists are studying the effects of human activities______the environment.
The law about banning using thin plastic bags came into_____from 1st Jane this year.
I have offered to work for the store owner _____ one night’s stay.
Tom said he had been working for three hours, _____ ,evidently, was untrue.