11.Whenandwhyhecamehere________yet.
A.isnotknown
B.arenotknown
C.hasnotknown
D.havenotbee
12.Iwonderhowmuch________.
A.doesthewatchcost
B.didthewatchcost
C.thewatchcost
D.thewatchcosts
13.Maryis________someonemightrecognizeher.
A.afraidof
B.afraidabout
C.afraidthat
D.afraidfor
14.________isnoreasonfordismissingher.
A.Becauseshewasafewminuteslate
B.Owingtoafewminuteslate
C.Thefactthatshewasafewminuteslate
D.Beingafewminuteslate
15.Theycametotheconclusion________byacomputer.
A.thatnotallthingscanbedone
B.becauseofnotallthingsbedone
C.beingnotallthingscanbedone
D.becausenotallthingscanbedone
Answers:1-5.CDCDB6-10.BABCD11-15.ADCCA
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