it was dark and it began to rain,which___the difficulty gett

It （）（get） dark and what was worse ,it began to rain heavily Now it was getting dark and the bus began to go up a hill.(翻 Now it was growing dark and the bus began to go up a hill.Su It began to rain _____ It began to rain _____. I was leaving when it began to rain. He was halfway home when it began to rain. When/While it began to rain ,I was watching TV it was dark before we got home but ()it bagan to rain heavil 英语翻译It was cold and dark out in the road and the rain did no When mary___the city,it began to rain I was about to go for a walk ___ it began to rain .when whil