21.Wecouldhaveboughtanewcarlastyear,butwereally____it.
A.can'tafford
B.couldn'tafford
C.won'tafford
D.unabletoafford
22.Ifyoudon'tpayyourtaxes,they______.
A.haveyouarrested
B.willhaveyouarrested
C.musthaveyouarrested
D.haveyouarrest
23.I_______meetingyoueversinceweparted.
A.waslookingforwardto
B.havebeenlookingforwardto
C.hadbeenlookingforwardto
D.lookedforwardto
24.Mary____inthegardenwhenitbegantorain.
A.waswalking
B.walked
C.walking
D.hadwalked
25.Wherehaveyoubeen?What_____?
A.didyoudo
B.haveyoubeendoing
C.havemade
D.wereyoudoing
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