Unit6Imgoingtostudycomputerscience.;一、根据短文内容，从下面方框中选择适当的选项补全短文。
RogerlivedinKentucky.Hegrewupinapoorfamilyofsevenchildren.1.COneday，his8-year-oldson，Mike，promisedhimthathewouldbuyhimthecaronhis57thbirthday.ManyyearspassedandRogerforgotMikespromise.
Thenthedaycame.
OnRogers57thbirthday，hewaswateringflowersinthegarden.Mikeaskedhimtogointothegarage(车库).2.ATheoldmanwasverysurprised.;Mikesaid“Happybirthday”tohim，andhegaveMikeabighug(拥抱)．MikethengavehisfatherthekeyandRogergotintohisnewcaraftertouchingitandgivingitakiss.3.D
Mikeworkedveryhardtogetenoughmoney.Andintheend，hewasabletobuythecar.Heboughtittwomonthsagoandputitinthegarage.Thenhewaitedtogivehisfatherthesurprise.
Childrencanmakegreatpromisesandmakedreamscometrue.4.BWhatsyourpromiseandhowareyougoingtokeepit?;A．Whenhelookedinside，hesawhisdreamcarwasthere.
B．MikekepthispromiseandRogersdreamcametrue.
C．HealwaysdreamtofhavingaChevycar，buthedidnthaveenoughmoneytobuyit.
D．HedidntrememberMikespromiseandneverthoughthewouldhavethiscar.;二、任务型阅读。
Itisthe21stanniversary(周年纪念日)ofHongKongsreturn(回归)
toChina.SomeyoungpeopleinHongKongsharetheirstories__A__us.
MercyYiu，20，isastudentofChineseUniversityofHongKong.
Yiusaid，“Ifeelluckytobeborn(出生)here.Thoughmyfamilyispoor，
Istillgotintocollege.
①I_dont_know_why_I_love_Hong_Kong，but_I_will_never_ever_leave.”
NydiaCheung，24，worksinthecitycenter.“WhenIgoout__B__ameal，Icanmeetsomanypeoplethatsomeonemightstep(踩)onmyfeet，”;Nydiasays.“ButIlikemylifehere.IlivedinSeattlelastyearanditwastooquiet.”
MaWeili，24，isaforeignteacher.HecametoHongKongthreeyearsago.②English，school，teaches，a，he，at，primary.Hesays，“IlikeCheungChaubestbecauseofitsbeautifulscenery(风景)anddeliciousfood.”;任务一：请分别在文中A、B两处横线上填入适当的单