Fill in the blank with the word given below. Change the form where necessary. Each word can be used only once.4. Human behavior is mostly a product of learning, while animals behavior depends mainly upon _____.
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Fill in the blank with the word given below. Change the form where necessary. Each word can be used only once.5. She has been saving money in the past two years, so she is _____ that in the coming summer she will be able to afford a journey abroad.
Fill in the blank with the word given below. Change the form where necessary. Each word can be used only once.6. The doctor _____ him that his condition was not serious and he would recover soon after a minor operation.
Fill in the blank with the word given below. Change the form where necessary. Each word can be used only once.7. Generally, children display great _____ about every new thing they see, and they want to find out more about it.
Fill in the blank with the word given below. Change the form where necessary. Each word can be used only once.8. He was proud of being chosen to _____ in the game, and he promised that he would try as hard as possible.