Fill in the correct consonant: ni zhi bu (a)   i dao?

Fill in the correct consonant: ha ha! wo cai dui l_!

(a)  

Fill in the correct consonant: zhe bu dian hua hen _ian _i (< cheap)

(a)  

Fill in the correct consonant: da _ia _ao! wo shi Colin, xi _uan hua

_ua he you _ong.

(a)