30、Mike Robinson is a 15-year-old English schoolboy．His sister Clare is l4．At the moment，Mike and Clare are at a school in Sydney, one of the biggest cities in Australia. They have been there for two years．They like the school，but they know that soon they will leave and return to England with their parents．

    Mike and Clare have also been to schools in America, Germany，France and China．This is because their father, Peter, works for a very big international company．The company has offices in many different countries．The company has sent Peter to work in many different countries．Peter usually stays in one country for about two years Then the company moves him again．His family always goes with him．

    The Robinsons are a happy family and love seeing the world．Mike and Clare have learnt to speak French，German and a little Chinese. The two children have friends all over  the world But they are glad that they are going to return to England．Recently，the children told their parents．”We want to stay in England. We don't want to move again．”Their father agrees and has asked his company to keep him in England．The company has agreed．Mike and Clare are very happy about this．

1．What countries have the Robinson family lived in?

2．Where does the company have offices?

3．How long does Peter stay in one country?

4．Why are Mike and Clare very happy?