翻译句子

He talks as if/though he knew all about it．

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They are talking as though they had been old friends．

Many contestants later failed drug tests, so that the race had to be rerun．(结果)

The bus broke down, so that we had to walk．(结果)

The students study hard so that we can get a good job．

Father promised he would buy me a bike and he must keep his word．

Forgive me, Mr Zhang, but it is not my fault．

I can’t forgive him for what he did to my younger brother．

Last week Jack came to your office and pretended to apologize to you．

When Jack turns up, please turn up the radio; for he is a little deaf．