Present Perfect. What has happened?

Tom is looking for his key. He can’t find it.
Tom... (lose).

Maria’s English wasn’t very good. Now it is better.
Her English... (improve).

My bag was here, but it isn’t here any more.
My bag... (disappear).

Lisa can’t walk and her leg is in plaster.
Lisa... (break).

Last week the bus fare was £1.80. Now it is £2.
The bus fare... (go up).

Dan didn’t have a beard before. Now he has a beard.
Dan... (grow).

It was raining ten minutes ago. It isn’t raining now.

It... (stop).

I washed my sweater, and now it’s too small for me.
My sweater... (shrink).