Which sentences is missing an apostrophe for a contraction

What role should teachers play in creating tolerance environment for students?

Certain predictable elements of beowulf, such as the superhuman hero and the quest to defeat evil, are common to the form. a. story b. plot c. epic d. novel

How does this excerpt develop the central idea that espionage during the civil war was often carried out by untrained citizens? it enhances the reader’s understanding by explaining why training was unnecessary. it changes the reader’s perception of what information a spy was able to obtain. it explains an ordinary person’s motivation for conducting espionage against the enemy. it adds moral complexity to espionage, due to the use of secret and dangerous methods.