—Hello, could I speak to Mr. Smith? —Sorry, wrong number. There isn't______ Mr. Smith here.
______, President Obama is the most powerful in the world.
To get the project started, _____ they need is some money.
Nobody believed his reason for being absent from his class _____ he had to meet his uncle at the airport.
I like _____ in the autumn when the weather is clear and bright.
Great changes have taken place in that college. It’s no longer _____ it was 20 years ago, _____ it was so poorly equipped.