来自刘振华的问题
完型1.Somecitiesarecrowded.Theyhavebusortrains____tohelppeopletravelthroughthem.
完型1.Somecitiesarecrowded.Theyhavebusortrains____tohelppeopletravelthroughthem.
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2020-12-22 04:31
完型1.Somecitiesarecrowded.Theyhavebusortrains____tohelppeopletravelthroughthem.
完型1.Somecitiesarecrowded.Theyhavebusortrains____tohelppeopletravelthroughthem.
Somecitiesarecrowded.Theyhavebusortrainstationstohelppeopletravelthroughthem.