by the time 空格 he was ten years old ,he had begun to make a living by selling newspapers.空格那个地方为什么不能填when

by the time 空格 he was ten years old ,he had begun to make a living by selling newspapers.空格那个地方为什么不能填when 动词填空：She ( ) by the time he got back.(go ) By the time that we got there,he was out. 翻译By the time he comes,I'll have left.( By the time he came,I had left.) __does he play soccer?In the afternoon.__does he play soccer?In the afternoon.空格处是填What time还是When? He wa very hungry.He ate up all the food in a short time.用so...that,或such...that改写句子 by the time he returns,the project probably ____ahead of time by the time ,by then She had gone by the time he got back 其中的by the time 能用when 或while替换吗 By the time by the time by the time you came back,we (complete)the work by the time he comes back,we (complete)the workby the time you came back，we (complete)the workby the time he comes back,(complete)the work The happiest time of Tom's life is 空格 he helps others.空格处为什么一定要填写when而不是that?答案上是when. 题目是这样的：by the time he was ten ,he ( ) very well . Just then,he heard short,quick steps closely behind him.By the time he reache By the time he got to the airport,the plane had taken off.改为一般疑问句 By the time he reached the other side of the bridge 在短文的空格内填入适当的词,使其内容通顺,每格限填一词,首字母已给Every morning Ben goes to work by train.He has a long w____ to go.So he always buys a newspaper.It helps him to s_____ the time on the train.Ben likes sports