在她给了那么多支持之后，他竟然如此忘恩负义，我简直不敢相信。

I can't believe he was so ungrateful to her ___after all her support.

尽管工资更高了，她仍然负担不起在城里买房子。

Even ___after earning a higher salary, she still could not afford to buy a house in the city.

尽管多次警告，他仍然无视安全规程。

___After repeated warnings, he continued to ignore the safety protocols.