句型转换,英语高手请进...

句型转换,英语高手请进...
1.The captain gave the order.All the passengers had to wait patiently until the ship safely reached the harbor Sydeney.
The captain gave the order _____all the passengers ________ ________patiently until the ship safely reached the harbor Sydeney.
2.Can we invent the time machine to travel through the past and the future nobody knows for sure.
_____ ______not certain ______ we can invent the time machine to travel through the past and the future.
3.As far as I'm concerned,balanced diet is the most important thing for one's health.
In my opinion,_____ _____ _____ ______than balanced diet for one's health.
4.I happened to lose my purse in the subway.That's why you found me at the police station.
I lost my purse in the subway____ ____,which _____ _____my appearance at the police station.
5.It was impossible for him to go home for the Spring Festival,because he still had to work those days.
He couldn't have gone home for the Spring Festival______ ______ ________ ________his busy work.

1.that must wait
2.it is if
3.nothing is more important
4.by accident resaults in
5.because of keeping on
不是绝对肯定,觉得肯定还有很多种答案,很多种转换方法.
顺便翻译下吧.
船长说,所有乘客都必须耐心等待直到船只抵达悉尼港口.（悉尼的单词打错了）
没有人确定我们能否发明可以穿越过去未来的时间机器.
我认为,均衡饮食是对人体健康最重要的东西.
我在地铁站意外的遗失钱包,导致了我去了警局.
他不可能回家过春节,因为它必须继续他的工作.

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