问题
选择题
Most of us see a doctor ______ when we get a cold or something.This won't cost us a lot.
A．suddenly
B．immediately
C．occasionally
D．frequently
答案
答案：C
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Most of us see a doctor ______ when we get a cold or something.This won't cost us a lot.
A．suddenly
B．immediately
C．occasionally
D．frequently
答案：C