-The window is dirty. -I know. It ___________ for weeks.

Lucy ________ guitar lessons every three weeks in the past three years, but now she is considering she'll make it every other week.

 I’ve won a holiday for two to Florida. I ＿＿ my mum.

 It’s been years since I _____ myself so much.

I asked him to come at seven o’clock, but he __________. It’s already eight o’clock．