ⅡFill in the blanks with prepositions.谁来帮帮我
ⅡFill in the blanks with prepositions.(10)
There are 15 million young people _____ different countries who study man and the living things _____ him.
They take steps to prevent pollution _____ the air, ____ land and ____ sea.
The sory is composed ____ two parts.
Virginia was named _____ the Virgin Queen.
He made for the door ____ the sight of his mother.
The electric heater no longer gives ____ heat.
It will be a long time before he comes ____.