Помогите пожалуйста.Исправьте ошибки в предложениях там,где они есть.1.I039;ve changed my

Помогите пожалуйста.Исправьте оплошности в предложениях там,где они есть.
1.I've changed my job
2.Alex has left for Sochi last week.
3.Just see what i've bought yesterday!
4.I never saw such a dull film before
5.Everybody has come, let's begin our meeting
6.Melinda has visited me last night
7.Sorry-i've forgotten your address
8.Everybody went home at 12 o'clock
9.There's nobody here!What happened?
10.I've forgotten to ring Nick yesterday