求英语大神解答用关系代词which连接下列句子The hotel room was supposed to have a

求英语大神解答
用关系代词which连接下列句子
The hotel room was supposed to have a sea view.
It looked onto a building site.
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The plane was delayed five hours.
It was due to take off at one o'clock.
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She looks more beautiful in the blue dress.
It was bought by her boy frend.
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The tickets were for a concert.
They were given to the girl's parents.
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The smoke came from the top floor of that building.
It made us cough.
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