Everybody has the responsibility to save water, if future generations are to enjoy a similar standard of living to ________ we enjoy now.
Donald ___ sixteen tomorrow.
Since last year I____ him only once.
I ___ happy about the price of eggs.
____ here early?
He was afraid what he had done ______ a disastrous effect on his career. a. might have b. could be c. have been d. shall be