What’s _______most useful invention in the 20th century—________computer, I think.

We have every reason to believe that our business hasshown a(n) ____ to improve.

Plenty of foreign firms have _____ factories here.

It’s too hot. What about having aglass of cold drink -______!

From time to time a crocodile has snatched someone _______ he or she is even aware that the crocodile is there