Excuse me, is the post office? —About 500 metres away. [ ]

_________ seems no sense in complaining．We should take action now．

Have you found the information about the famous people ______ you can use for the report? -Not yet. I’ll search some on the Internet.

We have known each other _____ ten years ago. [ ]

I left my keys in the room yesterday. I had to get in_____ the window.— It’s dangerous to do that.[ ]