(2013·高考新课标全国卷Ⅰ)If we________now to protect the environment，we’ll live to regret it.

—Have you read today’s report about your performance?—I don’t care what     about me.

—Will you attend the meeting this afternoon?　　　　—But I ________ told anything about it.

Tom      me into giving up all plans for three weeks, but he failed at last.

—Did you ask your elder brother for help?—I          need to. I managed it by myself.