问题
选择题
. I guess many a football fan ______ watching 2010 FIFA World Cup South Africa.
A．enjoy
B．enjoys
C．are enjoying
D．were enjoying
答案
答案：B
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. I guess many a football fan ______ watching 2010 FIFA World Cup South Africa.
A．enjoy
B．enjoys
C．are enjoying
D．were enjoying
答案：B
的基础解系的个数为（）。