英语问题: she looked outside,sighing for her lost son这个句子逗号前面的动词是过去时,后面为什么变成了动词ing形式啊

下面这道英语选什么She ______his number in the phone book to make sure that she had got it right.A.Looked up B.Looked for C.Picked out D.Picked up When I ______ for her,she was leaving the hall.A.looked around B.looked out C.looked back D.looked down 英语句子中逗号的用法she looked out of the window,as though thinking.此句中逗号可省吗?顺便讲一下逗号的使用方法, looked out of 英语连读i looked out of the window.这句话中looked out of的连读! A- looked at ,looked out ,looked in ,looked 的意思 She looked out into the street and saw the thief ____ by pliceman请仔细讲讲, 英语问题 单选高一1. His disappearance ______ by the police. A. looked at B. will be looked in C. is being looked into D. has been looked up2. Her teacher helped her so much that she bought him a beautiful pen _________.A. by turns B 英语问题: she looked outside,sighing for her lost son这个句子逗号前面的动词是过去时,后面为什么变成了动词ing形式啊 she looked around She looked very___(worry). 英语we decided to go home before our money _____.a.ran out b.looked out c.blew out 有关英语从句的问题He looked just as he had looked ten years before.中的“he had looked”的“looked”能否省略呢? 英语 Again and again the doctor _________ the crying girl,but he couldn't find out what was wrongwith her.A.looked over B.looked after C.looked for D.looked out A不可以? There was a strange sound outside .Mary went out and _______ around ,but she ______ nothing.A.lookded saw B.saw saw C.watched looked D.looked find puzzle英语问题she looked at me with a _______expression on her face .it was clear that she is _______about what had happened.这两个空到底填puzzle的什么形式呢? Mary couldn’t her ID card,she looked worried.A.look for B.find C.find out Linda didn't answer ____ ,she looked out of the window.A .However B,And C.lnstead D.But looked for ,looked up ,looked at,looked out of的区别与用法,