Eating too much fat can ______ heart trouble and cause high blood pressure.
181. The old man told us most of the story, but _______ the part about the murder.
180. The monkey came down and _______ onto the elephants back.
179. Please don’t _____ a joke on the disable. We should try our best to help them.
178. My brother has _____ the army for more than five years.
177. You should work hard. If you do so, you are expected to _______ the club.