Immigrant witness

Let me study these corresponding pinyin tables for you first, and then I can easily solve the problem.

Overall Recognition of Syllables: Zhi Zhi Shi Li Zi Ci Yi Gi Wu Yu Ye Yue Yuan Yinyun Ying

Prenasal sound: en in un ün

Posterior nasal sound

Monovowel: a o e i u ü

So the question should be:

Overall recognition of syllables: shift, word, word,

Prenasal sound: people, moisture, kindness, birthday, relatives, smell.

Postnasal sound: sacred, generous, primitive,

Monovowels: shift, zi, ci, harmony, ke, mu, mu.