对画线部分提问:they are in Grade 7.Grade 7 为画线部分如何提问?注意是(Grade 7)有Grade

They are (swimming in the river).对画线部分提问 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 They are watching TV对画线部分(they)提问 they are going to the zoo对画线部分提问 They are (sweeping the floor now).对画线部分提问 they are buying tickets对画线部分提问 They live in China.(对画线部分提问) 对画线部分提问:they are in Grade 7.Grade 7 为画线部分如何提问?注意是(Grade 7)有Grade They are looking FOR BAG.(对画线部分提问）for bag 是画线部分 They are going to visit their friends.对画线部分提问【画线部分：by car】 they are lily’s shoes对画线部分提问画线部分是lily’s They are going to Beijing by bus.(对画线部分提问)by bus是画线部分 the children are swimming in the river对画线部分提问画线部分are swimming There are _ten__children in the room.对画线部分提问 his keys are in the bag对画线部分提问 they are on the sofa 对画线的部分提问(画线的是on the sofa) They are never late for class 对画线部分提问画线的是never