Only five years ago, there ______a shortage of computer specialists.A、wasB、were

游客2025-06-19 16

问题 Only five years ago, there ______a shortage of computer specialists.

选项 A、was
B、were
C、has been
D、have been

答案 A

解析 The simple past tense is required. Choice (B) is past tense but does not agree with the singular subject shortage. Choice (C) is present perfect. Choice (D) is present perfect and does not agree with shortage.

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Only five years ago, there ______a shortage of computer specialists.A、wasB、were

Theofficemanagerwantsthecomputers______bytomorrow.A、willbeinstalledB、i

Onlyfiveyearsago,there______ashortageofcomputerspecialists.A、wasB、were

Whenpersonalcomputersfirstbeganshowingupinofficesaroundtheworld,p

Thesedays,everybodybuyscomputersoftware.Consumerspurchaseallkind

Asfortheshortage,Isuggest______thequantityinyourfutureshipment.A、your

Comco,Inc.,becametheleadingsupplierofcomputer______lastyear,lessthant

Towhomitmayconcern,AgoodnumberofrequestsforyourP-4computers(150).

Youmaybreachthisagreementifyousendcopyrightedcomputerfiles_______.A、el

Avarietyofpicturesarescannedintoaformofproper_____thatcomputerscanr

Worldleaderswere______totakeactionagainsttheincreasingfoodshortagesin

Therecordofthepasthalfcenturyhasestablished,Ithink,thetwogenera

Whenwerethefollowingfeaturesincludedinanautoshow?Writethecorrectlet

1 Scholarsandstudentshavealwaysbeengreattravelers.Theofficialcasefor

[originaltext]W:Hello?M:Hi,Mary,thisisBillJohnson.W:Ohhi,Bill.You

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患者肩背痛不可回顾，头痛身重，腰脊疼痛，舌苔白，脉浮。治疗应选用A:独活寄生汤

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1　　Scholarsandstudentshavealwaysbeengreattravelers.Theofficialcasefor