问题补充：
––– I promise my daughter get a nice present on her birthday.
––– I think it will be a big surprise to her.
A. must
B. shall
C. might
D. need
答案：
A. must
(答案→)B. shall
C. might
D. need
解析：情态动词考查题。A. must 表示必须 B. shall表允诺 C. might 表猜测 D. need 表需要句意：我答应女儿她会得到礼物在她生日时。我想对她看来说会是很大的惊喜。 根据语境选B
