Every boy and every girl knows that each day and each hour brings their duty.（）

A:and B:knows C:brings D:their

Every boy and every girl knows that each day and each hour brings their duty.

A:and knows B:brings C:their

Every boy and every girl knows that each day and each hour brings their duty.

A:and B:knows C:brings D:their

Every boy and every girl knows that each day and each hour brings their duty.

A:and B:knows C:brings D:their

Every boy and every girl knows that each day and each hour brings their duty.

A:and knows B:brings C:their

Every boy and every girl knows that each day and each hour brings their duty.（）

A:and B:knows C:brings D:their