他昨天去了图书馆借书。

He ___went to the library to borrow books yesterday.

我们上周去了新开的博物馆参观。

We ___went to the newly opened museum last week.

天气突然变冷了。

The weather suddenly ___went cold.

暑假就这样不知不觉地过去了。

The summer vacation ___went by before I knew it.