Question

【题目】 Recently gas ___________in cars, whose price is lower than that of gasoline.

A. is used B. has been used

C. was used D. will use

Answer 1

【答案】B

【解析】句意：最近燃气已被用于小汽车，燃气的价格低于汽油的价格。recently 意为＂最近＂，和现在完成时态连用，故选B。A项是一般现在时态的被动语态；C项是一般过去时态的被动语态；D项是一般将来时态的主动语态。