The fact ____ ancient Greek civilization had a great influence on Western culture is known to many people.

Filled with anger, he didn’t shout, but just ___ silently at me.

We didn’t know you were in trouble at thattime; _______ we would have given you a hand.

Was it _____ she heard with her ears _____ really made her frightened？

This computer is the best one ____ the shop, but it is also the most expensive ___all the computers.