read the passage. charla tapped her pencil on her desk and bit her nails. she had not studied for the test as much as she should have. her teacher was passing out the exams to one student at a time. it seemed like it was taking forever. she did not want to take the test, but she needed as much time as possible. charla squeezed her knuckles as she waited. based on the context clues, how do you think the character feels? -happy -nervous -tired -angry
