----When can I come for the photos? I need them tomorrow afternoon.--Theybe ready by 12

问题补充：

----When can I come for the photos? I need them tomorrow afternoon.

----Theybe ready by 12 o’clock.

A. can

B. should

Cmight

D. need

答案：

A. can

(答案→)B. should

C. might

D. need

解析：句意:--我什么时间来取照片？我明天下午需要。--在12点以前应该应经准备好了。can能，会；should应该，表示按道理来讲应该…；might也许；need需要。故选B。