1 Who are dancing with the girls.
Who are you parents dancing with?
2 What are the childre?n
3 Who is drawing a picture in her room?
What is your sister drawing?
Where is your sister drawing a picture?第一个是对My parents和are dancing with the girls和with the girls提问 第2个是对The children和students提问，第三个是对My sister和is drawing a picture和picture和in her room提问的 急求啊急求啊急求啊Who are dancing with the girl?What are your parents doing?Who are your parents dancing?Who are students?Who are the children?Who is drawing a picture in her room?What is your sister drawing?Where is your sister drawing a picture?