1.my sister is going to study swimming.(改为一般疑问句)＿＿＿ ＿＿sister　＿＿＿to study swimming?2.they are going to take guitar lessons.(改为否定句)they ＿＿＿ ＿＿＿to take guitar lessons.3.his cousin is going to be a science teacher.（改为同义句）his cousin＿＿＿ ＿＿＿ be a science teacher.

1.my sister is going to study swimming.(改为一般疑问句)
＿＿＿ ＿＿sister　＿＿＿to study swimming?
2.they are going to take guitar lessons.(改为否定句)
they ＿＿＿ ＿＿＿to take guitar lessons.
3.his cousin is going to be a science teacher.（改为同义句）
his cousin＿＿＿ ＿＿＿ be a science teacher.