18.- Have you found Jennifer yet - No ,we still have no ____ as to where she went after she left home .A.proof B.reason C.clue D.cause,不用该用复数clues吗?

Have you found your pen( have i found you是 where have you found it? where you have found contact You have found her own happiness是什么意思 have you found your partner是什么意思 改错 Have you found your missed pen I hope you have found this useful have you found that special someone yet? -()have you lived in shanghai?-Since we ()work here.A.When;have found B.How long;found C.When;have found D.How long;have found have found you shuld have put the book where you found it Have you found ( )adderss that you wanted?怎么填 Where have you（ Your mother found you just now. Have you found the book?Yes,I____it five minutes_____.A.have found；before B.found ；ago谁知道告诉下! Have you found your bike?Yes,I __ it ten mintues __ A.have found;before B.found;ago You have found your lost umbrella,haven't you? Yes,I found it behind the door this morning.为什么答语中found不用have found? “I have never found that I love you so RT