自从2003年以来,我们的首都北京发生了许多巨大的变化.（change a lot/ take place/there be...)
问题描述：
自从2003年以来,我们的首都北京发生了许多巨大的变化.（change a lot/ take place/there be...)
答
Our capital Beijing has changed a lot since 2003.
Great changes have taken place in our capital Beijing since 2003.
There have been great changes in our capital Beijing since 2003.