完成句子。根据所给提示，完成下列句子。每空一词，含缩略词。【小题1】Jenny’s mother goes to work by bus. (变否定句句)John’s mother

完成句子。
根据所给提示，完成下列句子。每空一词，含缩略词。
【小题1】Jenny’s mother goes to work by bus.  (变否定句句)
John’s mother doesn’t go  How long  to work by bus.
【小题2】It took him three hours to write the letter yesterday evening.  (对划线部分提问)
was drawn  better, better  did it take him to write the letter yesterday evening?
【小题3】Mike drew a picture on the blackboard. （改为被动语态）
A picture 　  　  on the blackboard by Jack.
【小题4】在航天科技方面，我们中国越做越好。
We Chinese are 　  and 　  at space technology.