_____ in the office had made a mistake, and the firm regretted causing the customer inconvenience. ”
举一反三
- They had made a mistake. They had been ____. A: mistake B: correct C: right D: wrong
- You had better try to avoid （） such a mistake again. A: make B: making C: made D: be made
- Little ____ that he had made such a serious mistake until he checked up the bill.
- He was criticized lest he ________ the same mistake again. A: made B: should make C: had made D: would make
- He made a firm ____ to give up smoking and drinking as soon as he discovered that he had a heart trouble.