Look at the sign. You have to _____ in the library.

I’m thinking of losing weight these days.-Oh, you ________ be out of mind. You’re 50 kilograms at the most![ ]

oblem may not____, but there’s no harm tobe careful.

选出划线部分发音与其他三项不同的一项。（5分）1.

The painting was what it used to be because it was once watered by rain.