it was october,1943,four years into the second

It was four days ago____ the man was put into prison again. it is four years since I joined the army.这里的is,为什么不用was呢? The class which ____(was,were) divided into four groups_____ It was the 13th of October.的问句是什么? four hundred years ago,the number was ______ 50 million 英语翻译The questionnaire typically falls into four parts.It beg It was built out into the sea. put the car into second Was it during the Second World War_____ he died? was it during the second world war _______he died? 一道单选：Was it during the Second Word War was it during the second world war _______he died.