-you-free nextsunday [A will ,are B will ,be C do ,be D are ,be

问题描述:

-you-free nextsunday [A will ,are B will ,be C do ,be D are ,be

B
Will you be free next sunday?
你下星期天有空吗?

B, will be =be going to 表示将来时

b

B
Will you be free next Sunday?
你下个星期天有空么