---Mary looks down today. What is up? ---Well, ____ happened between Mary and me is none of your business.
It was raining heavily. Little Mary felt cold, so she stood ___to her mother.
The managers, ____it clear to us that he didn’t agree with us, left the meeting room.
Some researchers believe that there is no doubt___ a cure for AIDS will be found.
.---Ow! I’ve burnt myself!---How did you do that?---I ____a hot pot.
I’d like to arrive 20 minutes early___ I can have time for a cup of tea.