________5 :30 yesterday, they had finished the work.[ ]

I don’t know _____she is. –Mrs Smith says she is a shop assistant.

Look! There is beautiful rainbow in the sky．—Take the books for me, I’d like to take a photo ofrainbow before it disappears．

Why don’t we go and have a cup of tea?—______.

I’m expecting a digital camera for long, but dad has no time to buy ______ for me.