Every Friday is the school open day , __________ parents can go to the class to observe it .
The book ___ 40 stories, ___ three written by me.
You’ll find this map of great ___ in helping you to get round London.
If I had ____, I’d visit Europe, stopping at all the small interesting places.
I wasn’t ____ the decision until too late.
It is really difficult to ___ there few flats among so many people.