过了好一会儿我才意识到他是在开玩笑。

It took a few moments ___before I realized that he was joking.

请在这里等一下，直到我叫到你的名字。

Please wait here ___before I call your name.

过了好几个月我才找到理想的工作。

It was many months ___before I found my ideal job.