--So many problems! I’m tired.--You should try to them by yourself. You are not a child any longer.
We had a lot of fun __________ English songs(歌曲).
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.