高一英语课下作业北师大版必修1《Unit3Celebration》SectionⅠ语言点三应用落实Ⅰ.句型转换1．HeissaidtogototheUSAnextyear.→ItissaidthathetheUSAnextyear.答案：willgoto2．Heissaidtohavegraduatedfromcollege.→Itissaidthathecollege.答案：hasgraduatedfrom3．Thoughtheywerehappy,therewassomethingmissing.→,therewassomethingmissing.答案：Happyastheywere4．Itishopedthatthepriceofhouseswillgodowninthefuture.→Thepriceofhousesishopedinthefuture.答案：togodown5．ItisknowntousallthatlotsofstudentsgoontheInternetjustforgames.→,lotsofstudentsgoontheInternetjustforgames.答案：AsweallknowⅡ.单项填空1．—IsBobstillperforming?—I’mafraidnot.Heissaid________thestagealreadyashehasbecomeanofficial.A．tohaveleftB．toleaveC．tohavebeenleftD．tobeleft解析：用sb./sth.besaidtodo/tohavedonesth.表示“据说某人/某物要做/已做了某事”。“离开舞台”这一动作已发生，所以用不定式的完成式表示。答案：A2．________thedaywenton,theweathergotworse.A．WithB．SinceC．WhileD．As解析：As引导伴随状语从句，句意：随着这一天的流逝，天气变得更糟了。而A选项with也有“随着”的意思，但with是介词，后面不能接句子。若用with，句子应改写为：Withthedaygoingon,theweathergotworse.故选D。答案：D3．—Mum,canIgoouttoplayfootballwithJessics?—No,youcan’t________yourhomeworkisbeingdone.A．beforeB．untilC．asD．when解析：此题首先可排除A、B项，因为后面从句中是现在进行时，即做作业这一动作还未完成，故不能选before,until；另外，when：duringoratthetimethat“在……时候”；as1＝since/because，表示原因，从全句看，后面应该解释原因，故选C。答案：C2
