Bob heard an loud noise at five o'ciock.这句话中哪个单词错了

Bob heard an loud noise at five o'ciock.这句话中哪个单词错了 这句话中的talk为什么不用过去时?There he heard an astronaut,Bob,talk about his journey. Bob is only a child.Tom is an only child.Who has no brothers or sisters? no voice not heard i had to speak loud to make myself heard.这里的heard 是怎么回事 英语翻译文章如下Is a Mental Health Monitor Necessary?With amazing development of society/modern science and technology/ businesses and industries,there is an increasingly loud voice from the public over mental health.They have heard the offic -Is this Bob?-No,____is not. no woman no cry原唱是Bob Marley 吗? He heard a ___ knock at the door.A.loud B.loudly C.suddenly D.quite suddenly l heard a loud noise ( ring out ) 还是( rang out ) though the air However loud I spoke,I could not make myself hear.为什么要改为heard after a while ,the farmers heard ( ) loud noiseA.another B.other C.others D.the other Everyone stopped to have a look when they heard the loud s---outside. His mother is an _______(usual) woman, loud voice _______. 在横线上填入适当的单词,把对话补充完整,单词的首字母已经给出.A:Hi,Bob.How are you?B:I'm OK now b__ I was crared yesterday afternoon.A:Why?What h_______?B:I h____ a loud noise at 4:00.It was the fire alarm.A:Oh,no.What did yo Bob __ a letter from his sister.A,hear B,heard C,got D,receivesWhy? Have you i( )the new?-No,I have never ( )such a thing.A.heard of;heard B.heard;heard C.heaHave you（ )the new?-No,I have never ( )such a thing.A.heard of;heard B.heard;heard C.heard of;heard of D.heard;heard of On the afternoon I arrived at the station,as I was sorting out my accommodation,I heard a loud noise coming from the bay.We ran down to the shore in time to see an enormous animal opposite us throwing itself out of the water and then crashing down ag