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……………………..............................