The government will take some effective measures to control the heavy smog_____the northern China.
By me time Jane gets home,her aunt for London to attend a meeting.
It was lucky that little Jack was not at home when the fire broke out;otherwise,he his life.
According to the law,it is get your driving license.
As we all know,he has regretted wasting the precious time he should have studied hard playing computer games at school.
During the camp trip,children were fascinated by wonders of nature.