He said he had been to Hong Kong ____ and he would go there _____ once again.[ ]

After half a day’s hard work, we made our classroom look as _______ as new.

Hi，dear! I’m phoning to_________ you that it is time to take your medicine． —Thank you．

Please turn on the light. It is ______dark ______ see anything in the room..

The notice came around two in the afternoon_______ the meeting would be postponed.