--Tomorrow my birthday. I’d like you and Jane to come.--I’m not sure if she free
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——Tomorrow ____ my birthday. I’d like you and Jane to come.
——I’m not sure if she ____ free.
A.will be; is
B.is going to; is
C.is; is
D.is; will be
试题答案
D
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。