Water is the cheapest drink. And it is also ______.
——He walked such a long way just to tell us the result.——Oh, he needn’t come ________.
——Fights in action movies have a bad _______ on teenagers.——I agree with you.
——Could you tell me what happened?——I’m not going to tell you about it. It’s _________.
——The _________ of study is to be completed within a year.——I hope it will help improve ourselves.
——Jack _______ takes part in social activities.——Yes, he isn’t like his brother, who is always active.