-------The weather is terrible now; our earth is badly damaged!-------Yes. It’s urgent that everyone _________ spare no effort to do something to save our world .
The school rules state that no child ___ be allowed out of the school during the day , unless accompanied by an adult .
I’llnevertrustsuchaman______youdescribed.
A NASA experimental jet , the X-43A,flew at a world –record speed ---11,260 kilometres an hour on November 17.This speed is __ as that of sound.
On ____ the accident, he felt frightened.
I won’t see the film tonight. I am busy. ____ , it is raining cats and dogs.