she heard planes passing overhead and wondered how she could send a signal.请问pass为什么加ing ,wonder为什么加ed,

She heard planes ___________ overhead.A.pass B.to pass C.to passing D.in passing She heard planes ____ overhead.A.pass B.to pass C.to passing D.in passing she heard planes passing overhead and wondered how she could send a signal.请问pass为什么加ing ,wonder为什么加ed, hear后词的用法She heard planes ----overhead.1,pass 2,to pass 3,to passing 4,in passing 以上哪个答案是正确的,为什么? passing planes can be heard night and day.这里的papassing planes can be heard night and day.这里的passing是动名词还是现在分词 she has been heard of passing planes can be heard night and day 中的passing 什么词性 为什么这样用 passing planes can be heard night and day请问pass在这为何加ing 看下英语句子用什么从句The sound of planes could be heard outside the city of Tangshan even when no planes were in the sky The sound of planes could be heard outside Tangshang even when no planes were in the sky 这句子是什 I live near an airport and passing planes can be heard night and day.这里为什么用heard 不是应该用一般时态吗 hear passing planes can be heard night and day.You_______them all the tiem.A can head B can to hear C can hear D can be heard she heard t--- noise yesterday 首字母填空 What she heard made her such excited. my mom () carefully,but she () nothingA listened,listened B heard,listened C listened,heard D heard,heard When she heard the bad news ,she c________sadly When she heard the exciting news,she danced with____(joy) she heard nothing.同义句转换 she _______ _____ _______.