Language is a social and cultural _______ (现象).

根据下列句子及所给单词首字母填单词完成句子(每空限一词).

66．The competition was s              ( 赞助 ) by British Airways, so the company’s logo can be seen everywhere.

67．Language is a social and cultural p                ( 现象 ).

68．She liked to dance but felt a              ( 局促不安的 ) if someone was watching her.

69．He got into a p           ( 惊慌 ) when he couldn’t find his identity card.

70．Be careful with that porcelain vase – it’s very f           ( 脆弱的, 易碎的 ).