— Do you know whose magazine is it?— I think it be Lily’s for we can find her name on the

问题补充：

— Do you know whose magazine is it?

— I think it be Lily’s, for we can find her name on the cover.

A. can

B. might

C. could

D. must

答案：

A. can

B. might

C. could

(答案→)D. must

解析：can能,可能;might可能,也许;could,can的过去式,能够;must必须,一定.句意:你知道这是谁的杂志吗?——我认为它肯定是丽丽的，因为我们能在封面上看到她的名字。结合语境可知选D。