Scientists think that the continents _________always where they _________ today.
A.
aren’t; are B. aren’t; were
C.
weren’t; are
D.
weren’t; were
【分析】
答案选 C。句意是:科学家认为各大陆并非一直在它们现在所处的位置。既然过去的位置与现在的位置不同,所以谈论过去情况用一般过去时(from http://yingyu.chazidian.com)。
五、现在进行时考点
现在进行时主要表示现在正在进行或发生的情况或动作。如:
1.
Listen to the two girls by the window. What language _________?
A.
did they speak
B.
were they speaking
C.
are they speaking
D.
have they been speaking
【分析】
答案选 C。根据Listen to…可知,speak 这一动作正在进行。
【常见时态考点归纳(高考适用)】相关文章:
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