--- I promise her daughter get a nice present on her birthday.
---Will it be a big surprise to her?
A. should
B. must
C. would
D. shall
网友回答
A. should
B. must
C. would
(答案→)D. shall
解析：考查情态动词用法。Shall表示允诺，强制，命令，法律规定要做；结合句意可知本题是表示允诺。句意：我答应她女儿在生日时，她会得到一个好的礼物。