You can not imagine that a well-behaved gentleman be so rude to a lady.A. mightB. needC. s

问题补充：

You can not imagine that a well-behaved gentleman be so rude to a lady.

A. might

B. need

C. should

D. would

答案：

A. might

B. need

(答案→)C. should

D. would

解析：考查强调动词用法。Might也许;need需要；should应该，竟然；would会；本题should表示竟然。句意:你无法想象这位行为端庄的绅士竟然如此粗鲁地对待一个女士。C正确。