they()in the classroom now A sing B are singing

they()in the classroom now A sing B are singing They are singing in the classroom.对"are singing"提问 They are singing in the classroom.对are singing 提问 listen!she（）in the classroom.A.is singing B.sing C.to sing D Listen!She in the classroom.A.sing B.sings C.singing D.is si We often hear him ______ in the classroom.A.sing B.singing C They are singing(in the classroom.)对打括号部分提问 I heard her___ in the next room just now.A sing B singing I heard him ____ in the next room just now.A.singing B.sing 英语题;they are singing in the classroom改为否定句,对in the classroom 1.Who _____ over there now?A.singing B.are sing C.is singing （1） Some students are in the classroom.They are singing （合并一