56. It is impossible for so workers to do so work in a single day.
The number of deaths from heart disease will be reduced greatly if people___to eat more fruit and vegetables
As soon as he comes back,I’ll tell him when___and see him.
Tom was disappointed that most of the guests___when he___at the party
—Hey,Gary,did Linda see you come in?—I don’t think so.She___her lessons then
Mr. James___in China for ten years.Now he has got a job in Autralia