----Tell me something about your cousin, he is so clever now.----Yes .But ___ the age of nine, he didn’t learn to write _________ read.
—I’m worried about tomorrow’s math exam. — ______ . I’m sure you will make it.
Drunk driving is against the law now. It ______ be forbidden.
One of my friends _______ moved to America. I miss her so much.
You may easily lose your way in Shanghai ______ you don’t have a map or a guide.
— Look at that pretty girl! Do you know _______? — She is a dancer.