Great changes ______ in China in the past 20 years.[ ]

I have got a car, I don’t get as much exercise as I used to.

Mary used to listen to music thatthe0ld times.

April29,2011____Prince William and Kate Middleton walked into the palace hall of thewedding ceremony.

Jane’s dad is getting old, so she has go back home to see him ______ it’s convenient.