—Can I pay the bill by check?—Sorry,sir.But it is the management rules of our hotel that payment ____ be made in cash.

We __________ so tired. We've only been to a party.

I paid a fine of 200yuan for speeding. If only I _________ the traffic rules!

I really don’t know how to thank you , but for your help, I ______ my lost necklace．

I’m afraid Mr. Harding ______see you now. He’s busy.