Who teaches _______ English?

.－Who taught _____ to swim?－I learned it by _____.

Is that _________ sister, Dave? — No, it isn’t. She is my friend.

There’s only ten minutes to go. We can’t wait any more—- ______, we should start at once.

Have you seen the funny movie Let the Bullet Fly?　一Yes，it made me ___________ many times.