By the time you have completed the essential training, you _____ exposed to virtually every new feature of the course.
94. The teacher demanded that he _____ in his homework before class.
93. You can _____ yourself _____ an opinion freely at the class meeting.
92. Our football team _____ theirs _____ two scores.
91. He could not _____ his dislike for that man.
90. Warner announced that the radio & TV communication had been restored. The underlined word means _____.