--How about the film last night? -We expect a better one. This is the best one that ha

问题补充：

--How about the film last night?

---We expect a better one. This is the best one that has impressed us that much.

A. should

B. might

C. mustn’t

D. couldn’t

答案：

A. should

B. might

C. mustn’t

(答案→)D. couldn’t

解析：考查情态动词。句意：——昨晚的电影怎么样啊？——不可能再好了。这是给我留下印象最深刻的电影之一。否定形式和比较级连用表最高级。couldn’t do表示“不可能”，答案选D。