Question

【题目】Air pollution is becoming than ever before, so many families prefer to buy electric cars。

A. serious B. more serious

C. more seriously D. the most seriously

Answer 1

【答案】B

【解析】句意：空气污染比以往任何时候都严重，许多家庭更愿意购买电动汽车。本题考查比较级，serious 是多音节词所以需要借助more。故答案选B。