Умоляю помогите пожалуйста

1 Choose the correct word.

1) I have already spent all my pocket money.

spent

have been spending

2) Lucy bought some CDs in the charity shop yesterday.

has bought

has been buying

bought

3) Kelly has been studying for two hours already.

studied

has been studying

has studied

4) I haven't seen him for ages.

haven't been seeing

haven't seen

didn't

5) I'm exhausted. I have been working since morning.

worked

have worked

have been working