He began to learn the accordion at the age offour.(选出与画线部分意思相同的选项)[ ]

There’re students in Grade7.

Do you often play _________ soccer with your friends?—No, I don’t like sports. I often play ________ piano in my free time.

When I got into the room , Sue was busy talking ________ the phone.[ ]

There are quite a few trees in the forest .