The boy said _____ couldn't he work out the problem but his teacher didn't know how to do

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• I always take something to read when I go to the doctor’s ___________ I have to wait.A．in caseB．so t
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• I think it’s better to give it a second thought so many of us consider it a risk．A．asB．beforeC．altho
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• Milk will turn sour soon on hot days ______ it is stored in the refrigerator．A．sinceB．untilC．because
• The woman was about to open the door ____________ she heard a strange sound from inside.A．asB．whileC
• —Can a person enjoy the pleasure from his work?—________ he can have his interests and the work comb
• He seems too tired today, and I wonder _________ he got a good sleep last night.A．whenB．thatC．ifD．wh
• the players didn’t have a good rest shouldn’t be all excuse for losing the game．A．ThatB．WhatC．WhyD．W
• we are alive , we can make it through through this natural disasterA．Even ifB．As soon asC．As ifD．so
• The area ______ the explosion happened was closed off by the police.A．which B．asC．whyD．where-高一英语
• A dozen ideas were considered____the chief architect decided on the design of the building．A．because
• Some of my workmates prefer to send to our QQ group ______ news they got. A．whateverB．howeverC．which
• _____ there was no conclusive evidence, most people thought he was guilty.A．SinceB．WhileC．WhenD．Howe
• I had no idea of the exact address of Xinhua High School ________I was outside its front gate.A．when
• He was about to tell me the matter _______someone stopped him A．asB．whileC．whenD．until-高一英语
• I have watched a number of movies recently,______ none of them have impressed me．A．butB．orC．soD．for-
• We’re living in ________ people call “Information Age”，so everything is possible.A．whatB．thatC．which
• ________ he can work abroad next year will depend on his parents' will. A．ThatB．WhenC．What D．W
• Although Anne is happy with her success, she wonders ________ will happen to her private life.A．tha
• ________ there are living creatures in the outer space as those on Earth hasn't been proved unt
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• These workers preferred to work extra hours at night_________leave the work until the next week.A．ot
• As the spokeswoman said, ______ we should take action against them depends on what they will do.A．wh
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• It surprised us all ________ Kate made such big progress in this final exam.A．when B．thatC．howD．whet
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• 青蛙具有惊人的捕食昆虫的能力，是庄稼的保护神。但有些人为了赚钱，大量捕捉青蛙，造成生态失衡，农业害虫成灾。你能分析回答下列问题吗？（1）青蛙生存的适宜环境是怎样的？（2-八年级生物
• Don’t be afraid of asking your teachers for help ________it is needed.A．asB．sinceC．unlessD．when-高三英语
• It just isn’t fair. _____ I was working as a waiter last month, my friends were lying on the beach.A
• ―When will the visa be ready, sir?―______ everything goes well, you will get it in 14 workdays.A．Al
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• Just use this room for the time being, and we'll offer you a larger one ________ it becomes av
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