完型填空。（每小题1分，共10分）
根据短文内容，从A、B、C、D四个选项中选出一个能填入相应空格内的最佳答案。
Julia is 12 years old. She is from Canada. Yu Hua is 13 years old. He is from China. They are good      . They are in different       . Julia is in Class One, Grade Seven. Yu Hua is in Class Two, Grade Seven. They have breakfast at home       the morning. They often        to school together（一起).
Julia likes Chinese very much,      she can’t speak Chinese well. She has        Chinese books. She often        them. So she knows a lot about      .  Yu Hua likes English and he can speak it very well. On Sundays, they often do       homework together. And they        English songs together, too. They look like brother and sister.

A．friends B．doctors C．teachers D．farmers

A．classes B．grades C．schools D．shops

A．to B．at C．in D．for

A．goes B．go C．visit D．going

A．but B．and C．so D．for

A．a B．an C．many D．much

A．read B．reading C．to read D．reads

A．America B．England C．China D．Cuba

A．they B．their C．them D．theirs

A．sings B．say C．tell D．sing