Rewrite

He is taller than his brother. => His brother (a)  

Hoa is more beautiful than her sister. -> Hoa's sister is

(a)  

How long is that street? => What is (a)  

How tall is he? => What (a)  

There is a sink, a tub and a shower in the bathroom.

=> The bathroom (a)  

No one in the group is taller than Trung.

=> Trung

(a)  

No one can sing more beautifully than Madonna.

=> Madonna

(a)  

Let's go to the cinema! => What about (a)  

The weather is very terrible! -> What (a)  

Where does she live? -> What (a)