A.refugee
B.committee
C.referee
D.employee

According to the passage, what happened about 400 million years ago?




A.New life-forms on land developed at a rapid rate.
B.The mega fossils were destroyed by floods.
C.Life began to develop in the ancient seas.
D.Many terrestrial life-forms died out.

_____(10)




A.in
B.as
C.of
D.for

_____(79)




A.by
B.in
C.for
D.of

_____(76)




A.on most
B.most on
C.much on
D.on much

_____(71)




A.large
B.great
C.far
D.lots

The word “forage” is closest meaning to _______ .




A.fly
B.feed
C.assemble
D.rest

The traffic in town was very ___________ and I arrived home earlier than expected.




A.light
B.weak
C.little
D.few

_________(15)




A.great
B.idea
C.deal
D.number

_________(8)




A.a
B.an
C.the
D.zero