.As reported in the essay by Prof. Brown, it is only in the most difficult circumstances ________ a man’s abilities are fully tested.
__________the house costs, it will _____________it.
— Look! You’ve made the same mistake again! — Oh, not again! _________ such a mistake.
These old pictures __________ the unforgettable days _______ we spent on the farm.
— Jenny, how many years have you studied in China? — I ________ here for three years by the end of this month.
— Why didn’t you go to help her? — I , but I seriously ill.