There’s no way of knowing why one man makes an important discovery another man, also intelligent, fails.
– Did you enjoy the book?--- Yes, it was so interesting that I couldn’t _____ it.
_____ all the inventions have in common is ____ they have succeeded.
One of the orders that we received was that we ______ there on time.
Thank you very much. Without your help, I _______the exams.
We have already placed an order ____ that company _____ the machines.