选择单词,补全短文.
Mark is my new________ (friend,teacher).He’s twelve years old.He________ (is,are) from America.But now he________ (lives,live) in Beijing.His father________ (works,working)in a hospital.He is a (n) ________ (artist,doctor).He goes to work________(on,by) car.He likes________ (read,reading) newspapers.Tomorrow________ (is,am,are) Saturday.Mark is going to________(have,has)a busy day.In the morning,he’s________(going,goes)to the bookstore to buy a book.In the afternoon,he’sgoing to________ (see,read) the new book.That will be fun.