问题描述：
It was an exciting moment for thesefootball fans this year,___ for the .
It was an exciting moment for thesefootball fans this year,___ for the first time in years their team won the World Cup
a.when b.while
A.先行词是the moment还是this year?
还有为什么不能选B?
It was an exciting moment for thesefootball fans this year,___ for the first time in years their team won the World Cup
a.when b.while
A.先行词是the moment还是this year?
还有为什么不能选B?
问题解答：
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