Please help me!!!
Choose the correct form: present perfect or present perfect continuous.

1) She
has gossiped
has been gossiping
about me, hasn't she? I can just feel it.

2) Our company
has doubled
has been doubling
its turnover over the past six months.

3)
Have you smoked?
Have you been smoking?
Your breath smells awful.

4) I
have often been telling
have often told
her to be extra careful when opening the car door. I'm not really surprised to hear that she hit a pedestrian.

5) I
have done
have been doing
paperwork all day. In all, I guess I have signed about 65 letters.

I don't understand anything!!!

1) She has been gossiping about me, hasn't she?

2) Our company has doubled its turnover over the past six months.

3) Have you been smoking?

4) I have often told her to be extra careful when opening the car door.

5) I have been dong paperwork all day.

good evening.

hello!

let me introduce my friend alex.

pleased to meet you.

i haven't seen you for ages.

i didn't recognize you!

i'll see you tomorrow then.

goodbye!

how are you?

fine,thanks.

excuse me,is anybody sitting here?

i'm afraid this seat is taken.

english is an international language. a lot of people speak english all over the world. it is the most popular language after chinese. i want to learn english in order to communicate with different people all over the world. also i like travelling and if i know english i will be able to travell without any difficulties.