——Tomorrow my birthday. I’d like you and Jane to e.
——I’m not sure if she free.
A. will be; is
B. is going to; is
C. is; is
D. is; will be
网友回答
A. will be; is
B. is going to; is
C. is; is
(答案→)D. is; will be
解析：第一空是表示“不以人的意志为转移的客观事实”，用一般现在时；第二空是表示“将来的动作”，用一般将来时。