A.risks
B.risky
C.risk
D.risking
We couldn't afford _____ a new refrigerator.(A) buy(B) to buy(C) buying(D) bought
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Children can use the money ____ a lot of things for ____.A、to buy,themselvesB、buying,themC、bought,theirselvesD、buyed,theirs
Where are you used to()vegetables?A. buyB. boughtC. buying
若vehicle=['train','bus','car','ship'],则vehicle[1]是什么?A.trainB.busC.carD.ship
若vehicle=['train','car','bus','subway','ship','bicycle','car'],则vehicle.count('car')结果是什么?A.carB.7C.1D.2
若vehicle=[['train','car'],['bus','subway'],['ship','bicycle'],['car']],则len(vehicle)结果是什么?A.1B.7C.6D.4
若vehicle=[['train','car'],['bus','subway'],['ship','bicycle'],['car']],则len(vehicle[1][0])结果是什么?A.3B.7C.6D.4