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No one can avoid _______ by one¡¯s surroundings. So the students sat there, ______________ what to do.
A. to be influenced; doesn¡¯t know B. having influenced; not know
C. being influenced; not knowing D. influencing; didn¡¯t know
C
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No one can walk the wire in the air without a bit of fear unless ______ very young.
| A£®having trained | B£®trained |
| C£®to be trained | D£®being trained |
No one can avoid ______ by advertising; it is everywhere.
| A£®being influenced | B£®influenced | C£®influencing | D£®to be influenced |