Add question tags to the following sentences: 1. Take good care of your old parents.2.Let us recycle the waste material.3.Water is scarce. Don't waste even a single drop of water. 4.Intelligence without hardwork is useless.

Add question tags to the following sentences: 1. Take good care of y

1.	Add question tags to the following sentences: 1. Take good care of your old parents.2.Let us recycle the waste material.3.Water is scarce. Don't waste even a single drop of water. 4.Intelligence without hardwork is useless.
Answer» ONG>ANSWER: Will you? Shouldn't we? 4.isn't it?