The girl feels sad because the buildings ______.是填fall down还是fell_英语解答

The girl feels sad because the buildings ______.是填fall down还是fell down ,为什么?
紧急

人气：444 ℃　时间：2020-04-15 18:00:17

解答

用fell down,因为是表示对过去发生的事情感到难过.
because前后的时态可以不一致,根据语境而定.