NEGATIVE

尽管教授解释了三遍，班上仍有一半学生没有理解这个概念。

Even though the professor explained it three times, half the class still ___didn't ___understand the concept.

我完全没想到会在一个陌生城市的街头听到家乡的曲子。

I ___didn't ___expect to hear a song from back home on a street in a foreign city.

那个小镇太小了，连一家像样的餐厅都没有。

The town was so small that it ___didn't ___have a single decent restaurant.

尽管我在他面前挥了挥手，他还是没有注意到我。

Even though I waved my hand in front of him, he ___didn't ___notice me.

结果雨停了，我们根本不需要带伞。

As it turned out, we ___didn't ___need the umbrellas after all, since the rain had stopped.