Have you found your book yet?- No,I’m not sure ______ I could have left it.A.whetherB.whereC.whenD.why为什么?

Have you found your pen( have you found your partner是什么意思 改错 Have you found your missed pen Where have you（ Your mother found you just now. Have you found your Mr.Right yet怎么读 have you found your watch yet?请问：为什么用完成时来问? have you found your book?怎么改为被动句? Have you found your watch(yet)?为什么填yet? 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? 英语you are lucky to have found your lost moneyyou are lucky to have found your lost money为什么用to have found结构 When you meet your friend,your face shines-you have found gold的中文翻译是? when you meet your friend ,your face shines -you have found gold. when you meet your friend,your face shines-you have found gold.翻译 1.when you meet your friend.your face shines--you have found gold. when you meet your friend,your face shines-- you have found gold.相当于汉语的哪个 When you meet your friend ,your face shine -you have found doid .翻译 When you meet your friend,your face shines-you have found gold这是谚语