来自刘澜的问题
Thestudents____onafarmfortendays.Thenthey____toafactory.Thoughthey____backatschThestudents____onafarmfortendays.Thenthey____toafactory.Thoughthey____backatschool,theystillrememberedthosefarmersandworkers.A．
Thestudents____onafarmfortendays.Thenthey____toafactory.Thoughthey____backatsch
Thestudents____onafarmfortendays.Thenthey____toafactory.
Thoughthey____backatschool,theystillrememberedthosefarmersandworkers.
A．havestayed;went;were
B．hadstayed;go;are
C．havestayed;go;havebeen
D．hadstayed;went;were
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2020-12-21 21:16