Final answer:
To correct the agreement mistakes in the given sentences, use the correct verb form that agrees with the subject.
Step-by-step explanation:
To correct the agreement mistakes in the given sentences:
- The mail carrier delivers mail about noon.
- The cities close the beaches in September.
- The toy soldier and the stuffed dog were thrown away in the trash.
- My brother and sister have been very cooperative lately.
- A box of fruit bars is in the cupboard.