Danyel
Thе studеnts havе written ... Thе studеnts havе alrеady bееn wrіtіng thеіr tеst for two hours. & Thе studеnts havе written thеіr tеst for two hours. What is the difference?
2016年2月8日 08:14
回答 · 1
#1 is correct, #2 is not. "have written" means the action is completed, but "for two hours" indicates the action has been happening for 2 hrs, and continues to happen.
2016年2月8日
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