______Zhai Xiaowei has only one leg, he can dance wonderfullyA .Though B.But C. So
Tom ______ go to bed late, but now he _______ to bed early.
I think _____________ necessary to do some morning exercises every day.
Don’t _____________ the disabled persons. We should help them.
It will be rainy, you’d better take_____ umbrella
____is an organization that works to improve the lives of children.