The old Scientist who made a speech to us the day before yesterday came back from England in 1960.

the person（who）spoke just now is the manager that I gold you about .the pencil（with which）he was writing is broken Wu Dong（with whom）I went to the concert enjoyed it very much the two things（that/which）marx was not wure were the grammar and some of the idioms of englishher bag （in which）she put all her books has not been found the stories about the Long Marchi(in which)this is one example, are well written下面句子俩句变一句At the back of the factory which they passed were rice fields the soldier ran to the building.,on the top of which flew a flagI'll never forget the day when I joined the PLA I still remember the day when the old scientist took us to the physics lad for the first time this is the village where My father worked three years ago Last autumn my sister went to the town where she was born the shop where I bought the book isn't far away

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