we don't ever know whether she's till wealthy-> for all we know
you can get the best discounts at our shop(offered)
people who haven't seen his performances are in no position to be critical(perform)
these twon brands of ketchup are almost the same(hadly)
it was true i felt bored with the concert(doubt)->the concert
they intend to abolish that rule(do)-> they are
please come as early as posible(better)->you should
we could see him in the crowd(make)-> we could

viết lại câu hộ e và giải thích nữa ạ