46． Whom are the old things collected for？
A． Rich children in Changsha．
B． Poor children in the villages．
C． Poor children in the mountain area．
47． How often is the recycling box opened？
A． Twice a week．
B． Three times a month．
C． Once a week．
46． Whom are the old things collected for？
A． Rich children in Changsha．
B． Poor children in the villages．
C． Poor children in the mountain area．
47． How often is the recycling box opened？
A． Twice a week．
B． Three times a month．
C． Once a week．
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