问题标题：
Itwillbe___greatfuntohaveapicnicon___mountainbeforewegohome.A.a;theB.a;/C./;/D./;the
问题描述：
Itwillbe___greatfuntohaveapicnicon___mountainbeforewegohome.
A.a;the
B.a;/
C./;/
D./;the
傅云鹏回答：
D,fun不可数,不加冠词,mountain是特指某座山,用定冠词the
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