As to the question of whether we will sell our house or who we shall sell the house to, you have answer by tomorrow.
A. shall
B. will
C. could
D. must
网友回答
(答案→)A. shall
B. will
C. could
D. must
解析:考察情态动词用法。本句中的shall表示允诺;句意:关于我们是否要卖房子,以及我们要把房子卖给谁的问题,你明天就会得到答案。根据句意说明是对对方的一种允诺。故A正确。