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.