Some international organizations _____ the fact that developing and developed countries were in different stages of development and should shoulder different responsibilities .
---Where’s that report? ---I brought it to you ________ you were in Mr. Black’s office yesterday.
Don’t promise anything ______ you are one hundred percent sure.
There were some chairs left over _____ everyone had sat down.
I used to love that film ______ I was a child, but I don’t feel it that way any more.
You’d better not leave the medicine ______ kids can get at it.