Complete the interesting facts with words from the boxes.beggar’s adoptedchildhood memories1 A woman accidentally (意外地) dropped her ring in a(n) ________ cup. When he gave it back, people online gave him over $100, 000 as a reward.2 Very few people have any ____________ from under the age of 4.3 Twins ____________ to different families met by chance (偶然) later at university.4 The most common ____________ memory is a trip to the dentist(牙医).