quizes on how many syllables 　　https://www.howmanysyllables.com/english_grammar/?s=quizzes

WARRICK UNIVERSITY 　　　　　　http://www2.warwick.ac.uk/fac/soc/al/globalpad/openhouse/academicenglishskills/listeningandspeaking/

TIDEWATER COMMUNITY COLLEGE　　　　　　https://www.tcc.edu/tcc-news/patrick-cagas-cmve-social-science

acoustic 　　　　　　http://acoustics.org/2aaaa7-gunshot-recordings-from-a-criminal-incident-who-shot-first-robert-c-maher/

public broadcasting service      http://www.pbs.org/

　　　　　　　　　　　　　　http://www.pbs.org/speak/

　　　　　　　　　　　　　　http://www.pbs.org/about/blogs/news/pbs-and-pbs-kids-programs-receive-three-tca-awards-nominations/

　　　　　　　　　　　　　　http://www.pbs.org/speak/speech/correct/

English test 　　　　　　http://www.english-test.net/esl/learn/english/grammar/ei299/esl-answers.php

healthy　　hearing 　　http://www.healthyhearing.com

　　　　　　　　　　　　http://www.healthyhearing.com/report

　　　　　　　　　　　　http://www.healthyhearing.com/report/51444-What-to-do-communication-repair-strategies

192.COM directory service http://www.192.com/help/videos/intro/ LISTEING QUIZES http://www.elllo.org/ https://www.usnews.com/ top universities https://www.topuniversities.com/ Opera lives http://operalively.com/forums/showthread.php/189-Operatic-books pennsylvania state university http://www.psu.edu/feature/2017/06/15/food-safety-pioneers

英语学习资源