I for one would choose (1), because the most probable situation is that they would not let me settle the bill.1.I tried to pay for the dinner, but they _____ hear of it.
I chose (2). I tried to pay for it, but the action was failed because someone has hearing problems (maybe just because earwax. )
I would choose (2), because it's one of the subjunctive forms. I don't think 'would' is correct.8.It's strange that you ____ have bought the same dress.
I chose (1) because I think it associated with someone's willingness.
Yeah, I don't know either. Never seen that before.12.It's your own fault you feel sick- you ____ eaten so much.
I want to know why you put a past participle after a modal. Thanks.