她答应跟我结婚了。

Tā dāying gēn wǒ jiéhūn le.

She agreed to marry me.

我答应参加晚会。

Wǒ dāying cānjiā wǎnhuì.

I promise to attend the evening party.

他答应帮我修理电脑。

Tā dāying bāng wǒ xiūlǐ diànnǎo.

He promised to help me repair the computer.