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!
28. Mr. Green's wife has just had her second baby. She has been married for four years.
->..................................................................
29. The reason is to invite you to my birthday party. I'm phoning you for that reason.
->...................................................................
28 Mr.Green's wife, who has been married for four years, has just had her second baby.
29 The reason for which I'm phoning you is to invite you to my birthday party.
c29 có thể dùng "for which" hoặc "why" cũng như nhau nha b