1. Sarah couldn't decide what to do that night, should she study or should she go out? A. Internal B. external C. both 2. In the high winds, the crew was barely able to keep the ship from tilting sideways. A. internal B. external C. both 3. Jerry struggled to walk through the hot, blowing sand. A. Internal B. external C. both 4. Hector thought, "Why did I ever agree to be in this play? I'll never have the nerve to act in front of an audience." A. internal B. external C. both 5. Jim and Marc disagreed about where they should take the dog they found. A. internal B. external C. both​