----- Nội dung dịch tự động từ ảnh ----- XV. Read the passage and answer the questions My father has unusual hobby, carving eggshells. As everyone knows, carving eggshells is verry difficult, eggshells are very fragile. My dad can make beautiful pieces of art from empty eggshells. It's amazing. He started the hobby five years ago arter a trip to the US where he saw some carved eggshells in an art gallergy. My father did not go to class to learn how to carve. He learned everything from the Internet. 96. What is the hobby of writer's father?.. 97. When did he start the hobby?... 98. Why is carving eggshells difficult?.. 99. Did he go to class to learn how to carve? 100. How did he learn to carve ?..