they are(typing the letters)就对划线部分提问

they are talking about the weathe 对划线部分提问 They are under the desk.(对划线部分提问) they are 【in the woods】 对划线部分提问 急There are some letters in the letter-box 就划线部分提问 They are reading the newspapers.划线部分：are reading .对划线部分提问 they are going to the zoo 划线部分：to the zoo 就划线部分提问 They are (books)对划线部分提问 They are black?对划线部分提问. They are taking the bus.(对划线部分提问)划线部分taking the bus They are listening to music at the moment (对划线部分提问)(划线部分是the They are painting the wall in the art room(对划线部分提问) 划线部分pain They are waiting for the bus?划线部分为：waiting kor the 对划线部分提问