Many changes __ __in my hometown last year.我的家乡去年发生了许多变化.

问题描述:

Many changes __ __in my hometown last year.我的家乡去年发生了许多变化.

我的家乡去年发生了许多变化.
Many changes (took place) in my hometown last year.
take place,发生.这句是过去时态.