Question

【题目】Now the air in our city is ____ than it used to be . Something must be done to stop it
A.very good
B.much better
C.rather bad
D.even worse

Answer 1

【答案】D
【解析】句意：现在我们市的空气比过去差得多。必须做点事来阻止它。than是比较级的标志，故排除AC。根据句意可知空气变差，故选D。