Question

complete the sentences with the correct word or phrase. telling her all about his success at the science fair, hwar making sure to follow her advice cause it was excellent. h adding her name to his poster he gave her recognition for her contributions by

Explanation:

The phrase "adding her name to his poster" makes sense in the context of giving recognition for contributions. When someone wants to give credit to another person for their contributions, adding their name to a relevant item (like a poster in a science - fair context) is a common way. The other options "telling her all about his success" is more about sharing personal achievement news rather than giving recognition, and "making sure to follow her advice" is about taking guidance rather than giving recognition.

Answer:

adding her name to his poster