单选题 6.  I as well as all your friends ______ busy to prepare for your birthday party.
【正确答案】 A
【答案解析】[考点] 主谓一致
as well as后的谓语应同as well as前的代词保持一致。句意为：我和你所有的朋友都忙于准备你的生日聚会。