-You look so worried, what’s wrong?  -More and more people like me begin to worry about the ______ pollution after the haze (雾霾) appeared in Beijing and some other cities in China. 
#28839
A
water
B
air
C
noise
D
Soil
推荐题目
These  are  my __________.
#29727
A
mother
B
father
C
parent
D
parents
World Wetlands Day is on________.
#29637
A
February 2
B
April 1
C
March 12
D
December 25
 Wearing blue or sleeping in a blue room       good for our       .
#28497
A
are, healthy
B
is, health
C
are, health
D
is ,healthy