当她问我他的名字时，我脑子一片空白。

When she asked me his name, I just ___went ___blank.

我的脑子一片空白，一句话也说不出来。

My mind ___went ___blank, and I couldn't say a word.

演示时，我太紧张了，脑子一片空白。

During the presentation, I was so nervous that my mind ___went ___blank.