问题
选择题
The sports meet the following week is very important.
A．holding
B．being held
C．to be held
D．held
答案
答案：C
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The sports meet the following week is very important.
A．holding
B．being held
C．to be held
D．held
答案：C
缺失3个月，
残冠，已做根管充填。