关于现在完成时和过去式的区分题目请问现在完成时和过去式怎么区分Youhaveanicewatch.--Thankyou.Myfather___(send)ittomeonmybirthday.Thehousewasveryexpensiveandit____(cost)usoverfortythousandyuan.Howbea

　　关于现在完成时和过去式的区分题目

　　请问现在完成时和过去式怎么区分

　　Youhaveanicewatch.--Thankyou.Myfather___(send)ittomeonmybirthday.

　　Thehousewasveryexpensiveandit____(cost)usoverfortythousandyuan.

　　Howbeautifulyourgardenis!--Yse.Myfather____(grow)someflowersinit.