【He wants to be a famous singer.（改为将来时态） He ＿ ＿】

问题补充：

He wants to be a famous singer.（改为将来时态） He ＿ ＿He wants to be a famous singer.（改为将来时态） He ＿ ＿ ＿ ＿ a famous singer.

答案：

is going to be