用适当的介词或副词填空。

The blue building, the owner ________ which is a famous singer, was ________ fire last night．

用适当的介词或副词填空。

Our headmaster was quite delighted ________ the progress we had made last term．

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This is my third visit ________ your hometown．

用适当的介词或副词填空。

________ the time he was 14, Mozart had composed many pieces of music．

用适当的介词或副词填空。

Haydn once worked ________ the court of a prince in Eastern Austria, where he became director ________ music．

用适当的介词或副词填空。

I often share my secret ________ him．

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Every day, the little boy asks his mother ________ some money to buy candies．

用适当的介词或副词填空。

So many people die every day ________ illnesses related ________ smoking．

用适当的介词或副词填空。

It’s raining hard outside so you’d better go out ________ a raincoat on．