问题
选择题
We don’t know if she _____ home. If she ____, I’ll tell you.
A．comes; will come
B．will come; will come
C．comes; comes
D．will come; comes
答案
答案：D
第一个空句意我不知道她是否会回家，动作表将来，故用一般将来时态；第二个空句意如果他来，我就告诉你。条件句应用一般现在时态表将来，主句用一般将来时态。故选D。