(25)
A.more
B.rather
C.less
D.better

(3- popular) ______
A.popularity
B.popularization
C.popularizer
D.population

(26)
A.find
B.founded
C.be found
D.found

(28)
A.China
B.Egypt
C.England
D.America

(30)
A.knowledge
B.know
C.known
D.knowledgeable

(4-require)____
A.requisition
B.required
C.requirement
D.requisite

(3)
A.exchanged
B.changed
C.transferred
D.converted

(5)
A.enthusiast
B.enthusiastic
C.enthusiasm
D.enthusiastically

(7)
A.divorced
B.divorce
C.had divorced
D.have divorced

(1- high) ______.
A.highly
B.highland
C.height
D.highness