——Oh,must you? Stay a bit longer.It’s been such fun having you. —— .I’ve got an early start tomorrow morning.
--- 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.