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)
The animal_________________is a pet dog.