Don't keep the water running when you wash your hands.____________A.I hope so B. I'm afraid notC. Sorry, I won't D it's nothing
—Why should we plant more trees? —Many trees can provide us________food and homes________animals.
The story is so strange that we have never________it before.
—What are they doing? —They________helping an old man cross the street.
The little boy urged his mother________a toy truck for him.
I’m looking for a place________trees grow in water.