选择题They have fun ____ playing games.
问题描述：
选择题They have fun ____ playing games.
A.of
B.on
C.in
D.at
答
选a,因为玩前面无冠词,排除b,c,d三项,并且玩前可以加介词of
选择题They have fun ____ playing games.
A.of
B.on
C.in
D.at
选a,因为玩前面无冠词,排除b,c,d三项,并且玩前可以加介词of