--- Let’s go fishing if it _____ this weekend . --- But nobody knows if it ____.
—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.