(____) I'm looking out of the window.
(____) Some children are making a snowman.
(____) In this photo,we are in the mountains.
(____) The wind is blowing and the sun is shining.
(____) I am having a lovely time.
加线词语意思相同的一项是( )
写出一个以2,﹣1为解的一元二次方程____.