The book is very expensive. He bought it at the bookstore. (which” )39/40Combine these two sentences into a new one using the given words in brackets The book is very expensive. He bought it at the bookstore. (which” )Nhập câu trả lời ở đây0/3000 ký tựGiải thíchĐáp án The book which he bought at the bookstore is very expensive.