Combine the sentences using relative clauses. (cẩn thận những câu là "Non-defining relative clauses" thì nhớ phải thêm dấu phẩy):
LƯU Ý: NHÌN KỸ ĐỀ RỒI MỚI TRẢ LỜI! TUYỆT ĐỐI KHÔNG COPY MẠNG VÌ CÂU HỎI CỦA MÌNH CÓ THỂ HƠI KHÁC!
12. John Graham's latest film is his first for more than five years. The film is set in the north of Australia.
-> .........................................................................
13. The Great Wall of China can be seen from the moon. It is one of the great wonders in the world.
-> .....................................................................
12 John Graham's latest film which is set in the north of Australia is his first for more than five years.
13 The Great Wall of China, which is one of the great wonders in the world, can be seen from the moon.
sao câu 12 ko có dấu phẩy vậy ạ?