5．聽下面一段材料，回答第15至第17題． 15．How long did Peter stay in Canada？ A．For a week． B．For two weeks． C．For three weeks． 16．What happened to Peter in Canada？ A．He broke his arm． B．He had fun swimming． C．He hurt his leg． 17．What gift did Peter give his friend？ A．A post card． B．A T-shirt． C．A skirt．
快樂小博士鞏固與提高系列答案
