The ____ of some wild animals reminds us __ the problems on environment.
#28226
A
loss, of
B
lose, of
C
loss, that
D
lost, to
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—You look so worried, what’s wrong?—More and more people like me become to worry about the __________ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.
#29093
A
water
B
air
C
noise
D
Soil
Mary takes a lot of exercise every day and she is always full of_______.
#27754
A
knowledge
B
energy
C
change
D
damage