帮忙将下面英语句子,句型转换(急)1.July the firs 1997 will never be forgotten.HongKong returned to China.(合并句子)2.It took him 500,000 yuan to buy the house.(同义转换)He_________________________________3.Millions of people around the world watched him land on the moon.(被动语态)He________onthe moon by millions of people around the world.4.The Saturn is 9 time bigger than the earth.(同义转换)The Saturn is 9 time_______________the earth.5.The animal with four ears is a pet dog.(改复合句

1、Now that HongKong returned to China,July the firs 1997 will never be forgotten.(Now that是既然，因为地意思）
2、He paid 500,000 yuan for the house.
3、He (was watched to land) on the moon by millions of people around the world.
4、The Saturn is 9 time as big as the earth.(这个不是很确定)
5、The animal（who is with four ears)is a pet dog.

1. July the firs 1997 will never to forgotten as the date of (for the reason of) HongKong returned to China.
2. The house costed him 500,000 yuan.
3. was watched to land
4. smaller
5. who has four ears

July the first 1997 that HongKong returned to China will never be forgotten.同位语从句He spent 500,000 yuan (in) buying the house.He spent 500,000 yuan on the house.The house cost him 500,000 yuan.was...