The English teacher ________the importance of reading aloud.
When a pencil is partly in a glass of water, it looks as if it _______.
One learns a language by making mistakes and _______ them.
_____such heavy pollution already, it may now be too late to clean up the river.
—Will you stay for lunch? —Sorry, ____________. My brother is coming to see me.
—Are you coming to Jeff’s party? —I’m not sure. I__________ go to the concert instead.