________enough money, the young man was unable to buy his girlfriend expensive jewelry.
A. Not to save B. Not saving
C. Not having saved D. Not saved
Tom had to have his car repaired in a garage because it ______seriously.
A. damaged B. was being damaged
C. had damaged D. had been damaged
—It ________ to plant trees and grass on the hillside.
—Yes. They help stop soil from being washed away.
A. makes sense B. makes money
C. makes a living D. makes a mistakes
They’ve finally decided to put an end to the long and bitter ________ between them and make peace.
A. survey B. conflict C. concern D. request
Stephen Hawking believes that the earth is unlikely to be the only
planet _______ life has developed gradually.
A. that B. where C. which D. whose
Between the two generations, it is often not their age, _________their education
that causes misunderstanding.
A. like B. as C. or D. but
