53. In 1989, a(n) _______law was passed by the United Nations to stop people putting waste into sea.
—How are you today? —Oh, I __________ as ill as I do now for a long time.
— It’s a warm day, isn’t it? — Yes, it’s __________ cold.I just wear a jacket.
Mary said that she ___________ London.
I don’t know ____________.
-----Would you mind lending me your new car? ----- __________.