Question

The check is (attached) to the letter

- collected
- similar
- fastened
- related

Answer 1

Answer is “fastened”

Fastened means attached

The check is “fastened” (attached” to the letter

Answer 2

C. Fastened

Step-by-step explanation:

attached: Fastened too.

related: In some ways connected by means or similar too.

collected: Picked up

Similar mail collection: The fastened letter is similar to the others.