How long _____ to finish your composition?
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.
He found it increasingly difficult to read, ______ his eyesight was beginning to fail.