As a saying goes, the wise man knows he knows nothing, _________ the fool thinks he knows all.
Do you still remember the museum _____ we visited three months ago?
She is pleased with _________ you have given her and all that you have told her.
I think it is unfair, ___________?
The doctor thought ____ would be good for you to have a holiday.
—Have you finished the book? —No. I’ve read up to _____ the children discover the secret cave.