时间状语常用since加一个过去的时间点,或for 加一段时间,或by加一个现在时间。 例:Great as Newton was, many of his ideas ___ today and are being modified by the work of scientists of our time. A) are to challenge C) have been challenged B) may be challe...
These results suggest that imagining the 18 of following through on one's curiosity ahead of time can help determine 19 it is worth the endeavor. 18题所在位置是the 18 of following through on one's curiosity ahead of time此短语是imagining同位语,用来...
11. Recently he has been refusing to do his homework, and instead insists on wasting his time watching DVDs and listening to foreign music. (page 38) 最近,他就是不做作业,而是把时间浪费在看DVD、听外国音乐上。 现在完成进行时 构成:have been doing sth...
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