问题标题:
[P2-55]Thechildrenwenttheretowatchtheirontower_______A)toerectB)beerectedC)erectingD)beingerected
问题描述:
[P2-55]Thechildrenwenttheretowatchtheirontower_______
A)toerectB)beerectedC)erectingD)beingerected
胡春风回答:
B
irontower与erect是被动关系,排除AC
D的话强调正在进行中,好像没这意思
所以选B
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