题目内容
- The World Cup_______ once every four years.
- So the next World Cup will be in 2018.
A. has only held B. was only held
C. will only be held D. is only held
D
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题目内容
- The World Cup_______ once every four years.
- So the next World Cup will be in 2018.
A. has only held B. was only held
C. will only be held D. is only held
D