No matter how frequently _____ the works of Beethoven always attract a large number of
people.
| A．performing | B．performed |
| C．to be performed | D．being performed |
相关试题
He always takes full _____ of the mistakes made by his rivals(对手) to win the election.
| A．advantage | B．disadvantage | C．advance | D．adventure |
Some researchers believe that there is no doubt _____ a cure for AIDS will be found.
| A．which | B．that | C．what | D．whether |
Use the umbrella to ______ yoursel
f from the rain.
| A．prevent | B．keep | C．save | D．protect |
____ for a long time, but he managed to catch up with his classmates at last.
| A．Having been ill | B．Being ill | C．He was ill | D．Though ill |
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