the studends 这是要选的空 the art festival when i passed by their school.
题目
the studends 这是要选的空 the art festival when i passed by their school.
a.celebrate b.were celebrate c.will celebrate d.have celebrated
答案
The studends (were celebrating) the art festival when I passed by their school.当我经过他们学校的时候,同学们正在庆祝艺术节.时间状语从句是过去时,主句应为过去进行时,意思为“当……时某人正在……”.这四...
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