giúp em với ạ em cảm ơn 
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Exercise 2. Rewrite the following sentences with no change in the meaning.
1. The family becomes a source of encouragement in times of personal success or defeat. We are conscious of that.
2. Each family needs its own special set of rules and guidelines. It is sure about that.
3. Love requires constant daily effort by each family member. We are convinced of that.
4. Laughing together builds up a family but laughing at each other divides a family. It is clear about that.
5. Children are allowed to have a voice in decision-making in the family. We are pleased about that.