Morethan70,000,000sharks

问题详情：

 More than 70,000,000 sharks ______ for their fins every year. It's really time for us to do something.

A. kill                      B. killed

C. are killed            D. were killed

【回答】

C

【解析】

试题分析：句意：每年都有超过7千万头鲨鱼被杀以获得它们的鳍片。这是一个事实的描述，用一般现在时；该句应该是鲨鱼被杀害，因此是被动语态，所以选C

考点：考查动词时态。

知识点：动词语态

题型：选择题