A snail. Это означает обыкновенную улитку.
Если же надо улитку уха - это уже другое слово:
Cochlea
You don’t have to/needn’t wear a uniform.
You have to wake up early.
You have to keep the campsite clean.
You don’t have to do any cooking.
You don’t have to/needn’t make your beds.
You don’t have to/needn’t wash your clothes.
Надеюсь тебе поможет )))
1. Has never been, has been
2. Have you done, have swum, have climbed up
3. Haven't seen
4. Have they reached, have just arrived
5. Has he been, had traveled
6. Have you heard, has been