Some people fear that __________air poll
题型:选择题
问题:
Some people fear that __________air pollution may bring about changes in_________ weather
around the world. [ ]
A. /;the
B. the;/
C. an;the
D. the;a
Some people fear that __________air pollution may bring about changes in_________ weather
around the world. [ ]
A. /;the
B. the;/
C. an;the
D. the;a