Viết lại câu: My house is as high as his. Tom is as old as mary. This dress is less expensive than that one. This flat isn't as big as our old one

viết lại câu
1. my house is as high as his
my house
2 . tom is as old as mary
tom
3. this dress is less expensive than that one
this dress
4. this flat isn't as big as our old one
our old flat
5. mary isn't as pretty as her sister
mary's sister
6. nobody is happier tham miss hoa
miss hoa
7. i have less homework than you do
you have
​giúp mình với nha !