__________ a terrible storm would attack the old town.
He is not very confident and always _______ before making a decision.
Charles Darwin considered ______ to be the process by which evolution took place.
_________, what you did is right. So don’t be worried about it any more.
In our school students are ________ according to how much they know and how old they are.
He is not a(n)________, only a(n) ___________.