▶yī shēng医生wèn问:“nǎ lǐ哪里yǒu有wèn tí问题?▶zuó tiān昨天ma吗?jīn tiān今天ma吗?”▶bà ba爸爸shuō说:“zuó tiān昨天wǎn shàng晚上wǒ我shēng bìng生病le了。”