Unit5SectionⅣGrammar&Writing语法讲座专题练习Ⅰ.用所给词的适当形式填空1．Sorry,I'mfull.Ihave_had(have)supperalready.2．Mariahas_been_learning/has_learned(learn)Englishfortwoyearsandshedoeswellinit.3．LiMingwent(go)abroadlastyear.Wehaven't_heard(nothear)fromeachothersincethen.4．Hello,Tom.Ihave_been_looking(look)foryouallmorning.Wherehaveyoubeen?5．Alltheseyearstheyhave_been_contributing(contribute)articlestoourmagazine.Ⅱ.完成句子1．Theoldmantogetherwiththoseyoungmenhas_been_workingforawholedayandhefeelsverytirednow.(work)这名老人与那些年轻人一起一直工作了一整天，他现在感觉很累了。2．Overthepasttenyears,thesealevelhas_been_risingasaresultofglobalwarming.(rise)[由于全球变暖，在过去的十年中，海平面一直在上升。3．Uptonow,theWorldExpohas_been_heldin24citiesof13countriesincludingChina.(hold)至今为止，包括中国在内，世博会已经在13个国家的24座城市主办过。4．Iftimeshave_changed,_haveourwaysofthinkingchangedtoo？(change)如果时代变了，我们的思维方式也会变吗？5．Ihave_been_writingacompositionallthemorningandhaven'tfinishedyet.(write)我一上午都在写作文，还没有写完。6．I'mtiredandsleepybecauseIhave_been_workingfrom2p．m.tomidnight.(work)我又累又困，因为我从下午2：00一直工作到半夜。
