The students( )their classroom every day.A cleansB clean Ccleaning

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Thestudents()theirclassroomeveryday.AcleansBcleanCcleaningThestudents()theirclassroomeveryday.Aclean

The students( )their classroom every day.A cleansB clean Ccleaning
The students( )their classroom every day.A cleansB clean Ccleaning

The students( )their classroom every day.A cleansB clean Ccleaning
B.clean
The students是复数,不加S,再是Every day,是一般式,不加Ing