His assistant is busy (correct) ______ papers.correctingbe busy (in) doing sth．表

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问题 His assistant is busy (correct) ______ papers.

选项

答案 correcting

解析 be busy (in) doing sth．表示“忙于做某事”。另外一个短语：be busy with/at/over sth.，用于后面接名词的形式。例如：He is busy (in) doing his homework。或者可以说He is busy with/at/over his homework。

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His assistant is busy (correct) ______ papers.correctingbe busy (in) doing sth．表

Ifthesteady-statetheoryoftheuniverseiscorrect，theremustbemany“solars

Themanagerorhisassistant_____planningtogo.A、wereB、areC、wasD、beC

Theshopassistantpromisedthatthecolorofthedresswouldnever_____.Buty

Theshopassistantpricedthegoodsbefore(put)________themontheshelf.putt

Theprofessor,aswellashisassistants,(do)______theexperimentinthelab

[originaltext]Whatdoyouthinkofyournewassistant?[/originaltext]A、Heisqu

[originaltext]Doyouseehowtodoitcorrectly?[/originaltext]A、Absolutely.B、

[audioFiles]audio_ehbm_j11002(20082)[/audioFiles]A、Ashopassistant.B、Abankc

A—accountingassistantB—accountingmanagerC—administrationmana

A—accountingassistantB—accountingmanagerC—administrationmana

Temperatures(温度)aroundtheworldaregoingupyearafteryear.Areportsh

Doctorshavedecidedtheonlywayhecanliveanythingneara(n)______lifeis

Whatdoesthespeakersayaboutcollegelife?Itisan______experienceinourl

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黄酮类中，引入羟基等助色团，可使化合物颜色加深，影响最大的取代位置是A:3位或5

可用于鉴别B群链球菌与肺炎链球菌的糖是A.菊糖 B.果糖 C.蔗糖 D.麦

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