在下面定语从句中填入适当的介词

He built a telescope ________ which he could study the skies．

在下面定语从句中填入适当的介词

The pencil ________ which he wrote was broken．

改写句子

An order that no language but German may be taught in the schools of Alsace and Lorraine has come from Berlin．

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改写句子

Arrangements to install safety devices on all machines have been made．

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改写句子

Many ways to protect our e-mail boxes have been found．

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改写句子

Work on the new system of highways has been started．

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改写句子

A story about a Swede who wanted to join Napoleon’s Grand army is told．

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把下列省略句补充完整

(1)The scenery was beautiful, and the acting good．

布景很漂亮，演技也好。

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(2)The doctor tried to save her life, but in vain．

医生设法救她的命，但没有用。

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(3)She was flying to England, and I to China．

她飞往英国，而我去中国。

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改写句子

I study at college and my sister studies at high school．

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改写句子

He could answer the questions very well if he would answer the questions but he didn’t answer the questions．

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