Study HSK with Mandarin School- Hanyuan.
Study Chinese culture with Mandarin School-Hanyuan.
Enjoy good life in Shanghai with Mandarin School-Hanyuan.
dā àn : wǒ men cān guān le hǎo jǐ gè xiǎo shí de gōng yè zhǎn lǎn huì 。
答 案 : 我 们 参 观 了 好 几 个 小 时 的 工 业 展 览 会。