Everything he said then was _____ by whathappened later.

The bell________the end of the period rang, ________our heated discussion.[ ]

（题文）典例（2016·课标全国卷Ⅰ）下列各句中，没有语病的一句是

29．The police tried to get some clues from the suspect, but he remained________

Watch! —I ____ but ____ I ____ anything unusual