2. He's had three accidents in the past fortnight. 在过去两周他出了三次事故。
3. She works six nights every fortnight. 她每两周工作六个晚上。
4. Professor Smith recently persuaded 35 people, 23 of them women, to keep a diary of all their absent minded actions for a fortnight. 史密斯教授最近说服了35人,其中23人是女性,在两周内让他们把自己所有心不在焉的行为记在日记里。
5. Professor Smith recently persuaded 35 people, 23 of them women, to keep a diary of all their absent-minded actions for a fortnight. 史密斯教授最近说服了35人,其中23人是女性,让他们把自己在两周内所有心不在焉的行为记在日记里。