Some of the rubbish, such as food, paper and iron, _____ away over a long period of time.
_____, you have given me a lot of help.
—— Coffee _____ milk? —— Only milk, please, _____ I used to like coffee.
Father advised me not to say anything until_____ at the meeting.
You’re_____your time trying to persuade him. He’ll never join us.
Well, we have been waiting here_____for the guest.