I () have dropped it on the floor.() 怎么填

I () have dropped it on the floor.() 怎么填 Not I have dropped,but you have. B ) 39.It was the third time that I _______ in at his office.A.have dropped B.had dropped C.droB ) 39.It was the third time that I _______ in at his office.A.have dropped B.had dropped C.dropped D.was dropping( A ) 41.The flowers want _______.Look,th My wallet is nowhere to be found.I ___________ in the store.A.drops B.must have dropped it C.dropped D.dropping My wallet is nowhere to be found.I ( )when I was on the busA.must drop it B.should have dropoed it C.must have dropped it D.had dropped it I___ have dropped it on the floor根据首字母填空I___ have dropped it on the floorI...have dropped it on the floormy teeth were a....in thepiece on the floorIt's d....now!以i开头的词语、以a开头的词语和以d开头的词语 英语翻译15、It is the best ______ I have seen.a.whob.whomc.thatd.which16、My wallet is nowhere to be found.I ____ in the store.a.should have dropped itb.must drop itc.must have dropped itd.ought to have dropped it17、The young lady coming over You dropped it is I want to give My watch is nowhere to be found,I must have dropped it when I was on the bus为什么是to be found ( ).-- DO you still have a headache,Bill?-- No,it's _________.I'm all right now,mum.A.dropped B.run C.left D.gone -- DO you still have a headache,Bill?-- No,it's _________.I'm all right now,mum.A.dropped B.run C.left D.gone - No,it's ____.I'm all right now,Mum.A.dropped B.run C.left D.gone-Do you still have a headache,Bill? I think I dropped it during the concert so it might still be in the symphony 英语翻译I'm sorry I dropped your cell phone.I didn't do it intentionally. I ( )my wallet when I was shopping in the store.答案为什么选择must have dropped而不是ought to have dropped? One day,a man went home to his wife and said ,I have bought something for you ,Oh,thank yousaid his wife .what have you bought I have bought a gold ring .Here it is He help it out for his wife to see .Then he dropped it .Oh dear!he said .I have dropp I THINK I __(DROP) IT DURING THE CONCERT.中为什么填DROPPED不是WILL DROP 问几题英文的单项选择题...并说明理由It was the third time that I _____ in at his office.A.have dropped B.had droppedC.dropped D.was droppingWe _____ about two thousand english words by the end of last term.A.learn B.have learnedC.had l