问题
选择题
If you know nothing about the famous program called Where are we going, dad?, you ______be living in a box!
A．would
B．can
C．must
D．need
答案
答案：C
题目分析：句意：如果你对《爸爸去哪儿了》这个著名的节目一无所知，那你一定是生活在盒子里。根据上文提示此空是表示肯定的推测，“一定是”要用情态动词must，故选C。