It’s snowing heavily outside. Please ________ your coat if you go out.

Excuse me, sir _______ is it from the nearest hotel? —About 15 minutes’ walk.[ ]

There will be lecture (演讲) in half an hour.The meeting room with people.

_________ have you stayed in Shanghai?—For about two months. [ ]

I took the wrong train .I didn’t even know it until half an hour later. [ ]