Respuesta :
For the first question, the answer would be the last option. One good way to make it stronger against a counterclaim is to present research that disproves the counterclaim. Showing research would show that your claim is plausible and it will be a very good foundation in your argument. For the second question, the correct answer would be credit. Attribute in the sentence is used as a verb where his excellent skills should be in regard to his commitment. For the third query, the correct answer would be the first option. In order to support your claim and present a strong argument, you should always include evidences since it plays a big role in giving reliability in your argument.