HSK Quiz Answer: HSK Math

Answer: B
Tā yǒu liǎng gè ér’zi, dà ér’zi jīnnián shísuì, xiǎo ér’zi jīnnián sān suì.
他有两个儿子，大儿子今年十岁，小儿子今年三岁。
He has two sons, the oldest son is 10 years old this year. The youngest son is three years old this year.

    Dà ér’zi bǐ xiǎo ér’zi dà sān suì.
A. 大儿子比小  儿子大三  岁。
    The oldest son is 3 years older than the youngest.

    Dà ér’zi bǐ xiǎo ér’zi dà qī suì.
B. 大儿子比小  儿子大七岁。
    The oldest son is 7 years older than the youngest.

    Xiǎo ér’zi bǐ dà ér’zi dà sān suì.
C. 小   儿子比大儿子大三  岁。
    The youngest son is 3 years older than the oldest.

    Xiǎo ér’zi bǐ dà ér’zi xiǎo shí suì.
D. 小   儿子比大儿子小十  岁。
    The youngest son is 10 years older than the oldest.

You can figure the answer out by the word “比 (bǐ) compared to.” There is a commonly used sentence structure that uses this word: “A + 比 + B + adj.” (A is more ____ than B.)

Example:

Wáng dōng bǐ tā dìdi pàng.
王东比他弟弟胖。
Wang Dong is fatter than his younger brother.