_______,parents should spend as much time as they can________with their children,thus they can influence them on the value of life

All of us find_______necessary to take exercise every day.

–Have you ______–Yes Let me take you to a place tocelebrate

We are not sure if it ________ tomorrow. If it ________, we won’t go hiking.

Liu Xiang won the first Olympic gold in the 110m hurdles( 跨栏) .