根据课文内容填空。 Wang Bing is 1._____ an 2._____ to his 3._____ friend, Tom. Gao San wants to 4._____ table tennis 5._____Wang Bing. But Wang Bing is 6._____ now. Who is Tom? Tom is an 7._____ boy. He 8._____ in a small 9._____ near 10._____. He 11._____ English, Maths, Science and Art. He 12._____ study Chinese. He usually 13._____ on Sundays. He 14._____ and 15._____ very well.