Verb Tense Simple Present /Present Continuous

Using the words in parentheses, complete the text below with the appropriate tenses, then click the “Answers” button to check your answers.
EXERCISE 2
Right now, William (sit) with his friend. They (discuss) the differences between life in United states and life
in Morocco. I (know, not) the real name of his friend, but everybody (call, just) him [...]