对画线部分提问:they are in Grade 7.

对划线部分提问 they are in Grade 7 They are (swimming in the river).对画线部分提问 They are in Grade One.对Grade One划线提问 They are sheep对画线部分提问 They are working in the garen 对画线部分提问 画线的是are working 就划线部分提问问题：We are in Grade One. （对in Grade One 提问） They are watching TV对画线部分(they)提问 They are playing games in the classroom.对画线部分提问：playing game They are looking FOR BAG.(对画线部分提问） they are going to the zoo对画线部分提问 they are buying tickets对画线部分提问 they are lily’s shoes对画线部分提问