26, He looks after the sick people.

-> He takes care ..............................................

27,Lan is more intelligent than her sister.

-> Lan’s sister isn’t as    .............................

28,We have a two –month summer vacation.

-> Our summer vacation lasts  ....................................

29, What is the width of the Great wall?

-> How     .........................................................

30,An drives dangerously .

-> An is a……………………..............................