Look！Mr. Green is writing ________ the blackboard. How careful he is!
We usually have the first class________ 8：00 in the morning.
More and more young people go skating ________ winter.
We all like watching the TV programme Readers ________ Saturday evening.
Tony gets up early in the morning. He likes to make breakfast f________ his family.
Could you please give me a hand? I can't finish the task on time w________ your help.
