My father studied about the Nile River with proessor Waleed D. Najaar at Smithtown University
Its past, "have experienced" meaning they've already been through it
The author described the main character's countrymen as scornful and sometimes doubtful but at the end of the story, the author seems to be pleased with his countrymen.
Answer:
To be
Explanation:
Because it's the only one that includes "to be" in it...
To identify passive voice, look at what happened and look at who was responsible for doing it. If the person or thing responsible for doing the actions is either omitted or occurs in the sentence AFTER the thing that happened, AND if you see a past participle straight after the form of “to be,” it's passive voice.
