have u seen a pen1.Have u seen a pen i left it here this morning. Is it____black one?I think I saw it somewhere. the 还是a 为什么呢 2.____fire broke out last night.They managed to put out ____first soon.A the the B the a C a the D / the how

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have u seen a pen1.Have u seen a pen i left it here this morning. Is it____black one?I think I saw it somewhere. the 还是a 为什么呢 2.____fire broke out last night.They managed to put out ____first soon.A the the B the a C a the D / the how
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have u seen a pen1.Have u seen a pen i left it here this morning. Is it____black one?I think I saw it somewhere. the 还是a 为什么呢 2.____fire broke out last night.They managed to put out ____first soon.A the the B the a C a the D / the how
have u seen a pen
1.Have u seen a pen i left it here this morning.   Is it____black one?I think I saw it somewhere. the 还是a  为什么呢 2.____fire broke out last night.They managed to put out ____first soon.A the the B the a C a the D / the how to choose and tell me why  

have u seen a pen1.Have u seen a pen i left it here this morning. Is it____black one?I think I saw it somewhere. the 还是a 为什么呢 2.____fire broke out last night.They managed to put out ____first soon.A the the B the a C a the D / the how
1. Is it a black one?
填a, 因为只有在说话双方都知道那支钢笔的时候才用the,即the表示“特指某支钢笔”,而这句话“是一支黑色钢笔吗?”,属于“非特指”,因此用不定冠词a
2. 选 C
A fire broke out last night. They managed to put out the first soon.
【解析】
首先,“昨天夜里发了一场大火”,为非特指,说话的人只是说“有场大火”,因此用a
其次,在序数词、最高级之前一定用the,这是规定,the first, the second, the best, the most beautiful. 记住这个规则就好.

have u seen a pen1.Have u seen a pen i left it here this morning. Is it____black one?I think I saw it somewhere. the 还是a 为什么呢 2.____fire broke out last night.They managed to put out ____first soon.A the the B the a C a the D / the how u haven't seen a foreigner? ____you ____the film before?-where___you____it?A.Have...seen.did...see B.Have.seen..have...seen i have seen the gift u send to me Have you seen such a film! Have you seen a movie I told ______you_____the interesting novel before?Yes,I____it last month.A Have ; seen ; have seen B Have ;seen; sawC Did;see;have seen D Did;see;saw Have you seen the latest movie?--YesHave you seen the latest movie?--Yes,I have.I ____it last night.A.seen.B.will seeC.have seen.D.saw — Have you ever seen anything like that before?— No,_____ anything like that before.[ ] A.I never have seen　 B.never I have seen　 C.never have I seen　 D.I have seen A为什么不行啊. you u(----)have a headache Do u have a boyfriend? The children _______ basketball in the playground sometimes.A.were seen playB.were seen to playC.have seen to play D.have seen play Yesterday Imet Sandy .We _ each other since _ middle school.A.have not seen ;finishedB.have not seen ;finishingC.had not seen ;finishedD.had not seen ;finishing 语法题目请分析为什么不选A谢谢“Have u seen David recently?No.I guess he ( )away on vacation.A.must has beenB.must beC.might have been D.may has been Have you ever seen a movie in which a building I have never ____ anything like that.A:saw B:seen c:been seen D:see l ____the movie before.A have seen B has seen C saw D see never ()a man as happy as he i had seen had i seen i have see