The boys are making model planes over there.(对画线部分提问)The boys are making model planes over there.（对画线部分提问） _____ the boys _____ over there?画线的是are making model planes 不要说前面少了条线,要画线的是 making model planes 才能问 What are the boys doing over there?现在多画了个are.我就不会了.
问题描述：
The boys are making model planes over there.(对画线部分提问)
The boys are making model planes over there.（对画线部分提问） _____ the boys _____ over there?
画线的是are making model planes
不要说前面少了条线,要画线的是 making model planes 才能问 What are the boys doing over there?现在多画了个are.我就不会了.
答
what are the boys doing over there
答
What're the boys doing over there ?