Light and heat ____often sent out together with heavy smoke
Believe it or not,the sun keeps us____ with light and heat.
which give off light and heat
The sun p___ light and heat
The sun sends ( ) light and heat.
The sun ___ light and heat ___
human beings get heat and light from the sun
It is from the sun ______we get light and heat
The sun provides us ( )light and heat添介词~
The sun _____ (give) off heat and light.
The sun____(give) us light and heat.理由
fire give us heat and light的中文
划线部分提问:the sun gives off lots of light and heat.划在:light and