They celebrate Halloween _______playing a game called trick or treat填介词

hallo hallo hallo,hallo ___do they celebrate Thanksgiving Day Hallo Hallo 歌词 英语翻译they celebrate christmas ( ） （ ) ( ) ( )each other Hallo是什么意思 They sing _________New Year.a.celebrate b.to celebrate c.celebrating d.celebrates they celebrate christmas by -- -----（give）presents and cards 英语改错：What do they celebrate New Year? hallo到底是写做hello还是hallo? HALLO什么意思// hallo是什么意思啊? hallo 何意? hallo 如题 HALLO是什么意思按时大 they celebrate the festival by singing and dancing（对划线部分提问）by singing and dancing划线--------- ---------- they celebrate the festival 改同义句 They are going to celebrate the girl's birrhday.They are _ _ celebrate the girl's birthda