题目内容

Thegeneralmanagerrequiredthatalldocuments()beforetwelveo’clocktoday.

A. besubmitted
B. shouldsubmit
C. mustbesubmitted

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Idon’tthink()possibletomasteraforeignlanguagewithoutmuchmemorywork.

A. it
B. that
C. this

TherearesomanyelectricalappliancesinthesupermarketthatIhaven’tdecided()tochoose.

A. where
B. which
C. how

()inthemeetingroomfortwohours,theytookacoffeebreak.

A. Havingdiscussed
B. Discussed
C. Discussing

Itwasfiveyearsago()sheresignedfromthecompany,andwehaveneverseenhersincethen.

A. where
B. that
C. before

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