Tom is not _______ he was in the situation _______ he was pessimistic.

Great changes have taken place in that school. It is no longer _______ it was 20 years ago, _______ it was so poorly equipped.            

— Why does she always ask you for help?            
— There is no one else _______, is there?

We talked about the things and persons ________ we remembered in the school.

I’ll show you a store __________ you may buy all ___________ you need.

A person __________ e-mail account isn’t full won’t be able to send or receive any e-mails.

I refuse to accept the blame for something _________ was someone else’s fault.

Helen was much kinder to her youngest son than to the others, ______, of course, made the others envy him.

______ nearly all behavior is learned behavior is a basic assumption ______ has been put forward by the social scientists.

Alice stood in front of the window,____ she could watch her classmates playing football.