Exercise
先将下列每组词或短语联成句子，必要的地方可作一些增补。然后把七个句子编成一篇短文。
When ／robert ／be ／boy ／he ／be ／fond ／chocolate ／price ／small bar ／chocolate ／those days ／be ／ two pence ／That price ／stay ／same ／through out ／Robert ／childhood ／Three months ago ／price ／ chocolate bar ／be ／twenty pence ／This week ／I ／see ／bar ／cost ／twenty-eight pence ／How much ／ it ／cost ／1999？
参考范文
When Robert was a boy，he was fond of chocolate．The price of a small bar of chocolate in those days was two pence．That price stayed the same throughout Robert's Childhood．Three months ago the price of a chocolate bar was twenty pence．By last week the price had increased to twenty-six pence．This week I see a bar costs twenty-eight pence．How much will it in 1999？
