KHOANH TRONG CHỮ CÁI TRƯỚC Ý TRẢ LỜI ĐÚNG. (1M) A/ WHAT IS THIS

1/ Khoanh trong chữ cái trước ý trả lời đúng. (1m) a/ What is this ?A. It ruler. B. It is ruler. C. It is a ruler . D. It is an ruler. b/ What color is this ?A. It red. B. It is red. C. It is a red. D. Is red.