— Did you see Mr. Black just now? —Yes, He ___ his car when I met him.
What _______ you ______ to do when you __________ high school?
My school is about twenty ________ walk from here.
Her voice ____ sweet. It _____ a bird.
—Remember this, children. ____ careful you are, ____ mistakes you will make. —We know, Miss Gao.
There are many young trees on ______ sides of the road.