It was snowing when he arrived at the construction site.这句话中的when 是否可以换成:while?请帮忙详细分析它们之间的区别?

and it was snowing outside. IT was snowing when he arrived at the station是什么从句 when i looked out of the window,it was snowing _____(heavy) when it is snowing什么意思 How___(hard) it was snowing yesterday It was snowing when he arrived at the construction site.这句话中的when 是否可以换成:while?请帮忙详细分析它们之间的区别? when it's snowing so hard啥意思? It was _____(snow)yesterday 填snowing还是snowy?原因. it was snowing heavily in morning.这个短文改错 It was snowing outside,a() not that cold.首字母填空 关于英语when后面接的时态It was snowing when he arrived in Tianjin.这么为什么要用snowing阿.When I was a boy,I often went to play in that park.那这里为什么不用going而是went阿. No matter _____ ,the little sisters managed to round the sheep up and drive them back home safely.A.it was snowing hardB.hard it was snowingC.how it was snowing hard D.how hard it was snowing it`s snowing o____ 第五篇,英语小日记看看哪里有错When I opened the window this morning .It was snowing ! Our city has not snowing for a long time. In these days it was always overcast .In fect.I think the city in the snow is more beautiful than ever.I It is fun to piay outside when it is snowing什么意思 ti was snowing when he arrived at the station是什么从句 When was it taken When was it built?