请听下面一段独白,根据独白内容完成下列句子,每个空格不超过3个单词。独白读两遍。
16. Windy English Club has many ________ to teach you.
17. The courses start on ________.
18. Classes meet every Wednesday and ________, from 7 to 9 in the evening.
19. The courses include grammar, ________, conversation and listening skills.
20. If you want to know more, please call ________.