Present Perfect vs. Present Perfect Continuous

Jane (eat) the same kind of frozen meal five times this week.

Amanda (worry) about her hair contantly since we arrived at the party.

Jake (sing) the same song all morning. It's driving me crazy.

I (see) most of his paintings. They are all amazing!

I (have) a cold for two days.

They (learn) English for three years.

He is fond of painting. He_________a lot of pictures recently.

- I am very hungry. - I am not surprised you __________all day.

The teacher ________essays for three hours

Why are you so upset? - I__________my favourite ring.

Diana_______a new job. She is starting next week.

Here is his report.He________it at last.