来自曲修霞的问题
1Thestidentwasrunningtomovethebagofrice()heheardthsoundofabike.2Whatwasyourfatherdoing()yourmotherwascookinginthekitchen.第一题为什么用when不用while.第二题为什么用while不用when?
1Thestidentwasrunningtomovethebagofrice()heheardthsoundofabike.
2Whatwasyourfatherdoing()yourmotherwascookinginthekitchen.第一题为什么用when不用while.第二题为什么用while不用when?
