【題目】We the difficulty together, but why didn't you tell me?

A. could face

B. might face

C. could have faced

D. must have faced

【答案】C

【解析】could have done的格式是表示對(duì)過(guò)去的推測(cè) 從 why didn't you tell me看出，這正是對(duì)過(guò)去的推測(cè) 而might還是對(duì)現(xiàn)在的推測(cè)，雖然用過(guò)去式的樣子，但是不是過(guò)去式，只是語(yǔ)氣的委婉.

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