Using bicycles ______ greatly to people’s physical fitness as well as easing traffic jams.
| A．substitutes | B．attributes | C．distributes | D．contributes |
—Peter, let’s check what we still have left.
—Well, _____ is no use evaluating the total loss before the typhoon leaves.
| A．one | B．that | C．it | D．this |
Your friends were all worried about _______ you were sick.
| A．that | B．which | C．what | D．the fact that |
The audience were so ______ by his humorous performance that they kept laughing all the time.
| A．moved | B．frightened | C．entertained | D．shocked |
When the market economy is introduced, many factories will not .
| A．live | B．last | C．survive | D．keep |
“___________ the election is over,” said Powell, “the time has come for me to step down as secretary of state and return to private life.”
| A．Now that | B．In case | C．So long as | D．As far as |