问题
选择题
| 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 |
答案
答案：A
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| 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 |
答案：A