__________(17)
A.mass
B.band
C.crowd
D.group

(8)
A.advised
B.urged
C.allow
D.make

(10)
A.well
B.good
C.quickly
D.long

(7)
A.of
B.for
C.to
D.and

__________(19)
A.kept
B.catch
C.take
D.have

(11)
A.solution
B.answer
C.appeal
D.contribution

Everyone heard about the accident before John’s father did.
A.John’s father was the last person to know the accident.
B.John’s father was the last person to know about the accident.
C.John’s father was a last person to know about the accident.
D.John’s father was the last person known about the accident.

(22)
A.added
B.associated
C.compared
D.related

(24)
A.resources
B.habitats
C.sources
D.materials

(25)
A.cultured
B.culturally
C.cultural
D.culture