Edison asked his father why the hens could hatch eggs ___he couldn’t.
Studies have shown that children grow and develop quite normally on a diet ___ plenty of bread and vegetables with small amounts of milk and meat.
____ in a key university is almost every high school student’s wish.
_____ you keep on trying, I really don’t mind whether you can come up top in your class.
The medical reform in that country proved to be _____ failure, but as we know, success often comes after _____ failure.
After working for two years, Tim Martin was ___ as the top manager in charge of the company.