1.The black dress is more expensive than the white one.
- The white dress
2.She speaks english better than i do.
- I do
- I speaks
3.How long have you lived in this new house?
- When
4.he works harder than she does.
- she works
- she doesn't
5.no one in my group is more intelligent than mary.
- mary
6.he works much.he feels tired.
- the more
7.yesterday the temperature was nine degrees.today it's only six degrees.
- it's
8.the journey takes fours by car and five hours by train.
- it take
9.she walks more quickly than he does.
- he walks
-he doesn't
10.jane cooks better than her sister.
-jane's sister
11.tom is the best football player in this team.
- nobody in this team