.(全国卷I 30). The little boy won’t go to sleep ______________his mother tells him a story.
--- Beautiful day, isn’t it? Shall we go out for a picnic? --- ________!
It’s _______ you do today that will make a difference in your life tomorrow.
Mr Green showed his students some photos ________ at World Expo 2010 Shanghai.
A group of children are looking into the box, ________ about what can be inside.
I must be off now. My friends ________ outside.