There used a tree in front of the house, but now it is cut down.
Our teacher often tells us __________ homework carefully(认真地).
—Oh, hi, Jane! __________? —Not bad.
Mr. Green has two daughters. _______ is Kate, and _______ is Kathy.
He knows _________ Chinese, so he can’t understand us.
There ________ some money and many books on the desk.