1 . The World Adolescent Robotics Competition ________ (schedule) to be held at the end of July in Tianjin. (所给词的适当形式填空)

2 . The speaker ________ (schedule) to make a speech tomorrow. (所给词的适当形式填空)

3 . One of the ______ (schedule) events is a talk on the use of CGI in films. (所给词的适当形式填空)

4 . The film star ______ (schedule) to arrive in Shanghai at ten o’clock.(用所给单词的正确形式填空)