___________(61)
A.making
B.doing
C.having
D.taking

___________(62)
A.living
B.real
C.natural
D.genuine

___________(64)
A.remain
B.go
C.last
D.stand

A.traditional
B.residential
C.expectation
D.competition

A.family
B.attractive
C.attractive
D.industry

Polluted water and increased water temperatures have driven many species to the verge of extinction
A.enriched
B.contaminated
C.purified
D.strengthened

Not until the dedication of Yellowstone Park in the late nineteenth century _____ a national park.
A.the United States had
B.did the United States have
C.when the United States had
D.the United States having

Using many symbols makes _____ to put a large amount of information on a single map.
A.it possible
B.possible
C.it is possible
D.that possible

She kept him _____ because he had a high temperature.
A.on
B.in
C.off
D.out

_____ wooden buildings helps to protect them from damage due to weather.
A.The paint
B.Painted
C.By painting
D.Painting