i heard he ()(sing)at that time.为什么填was sing
问题描述:
i heard he ()(sing)at that time.为什么填was sing
答
I heard he 表示“我听到他”表过去时,当然要填“was sing”
i heard he ()(sing)at that time.为什么填was sing
I heard he 表示“我听到他”表过去时,当然要填“was sing”