he noticed Jason { }into the building 中间填enter 为什么这里notice后不是加ing形式?

he noticed Jason { }into the building 中间填enter 为什么这里notice后不是加ing形式? Jason Jason Jason he stepped into the room quietly without being noticed.后面的without being noticed是什么意思? He left without ____.A.noticed B.notice C.noticing D.being noticed He is too careful not to have noticed 什么意思 he noticed two policeman coming towards him..能改为he noticed that two policeman come towards him He noticed that she was eating a big piece of cake = He noticed ___ ___a bi piece if cake. My friend Jason is full of ___(energy) and he is also a good team player 意思Jason is more than a lecturer; he is a writer,too Jason Mraz~ lucky jason Jason是什么意思 jason loves Jason 是什么意思? jason是什么意思 i noticed thati he went into the building just now变简单句i noticed that he went into the building just now变简单句