Complete the letter by putting the verbs in brackets info the present perfect or the present perfect continuous

(ниже фотка и ответы)
ответы:
1 have not been
2 have been studying
3 have had
4 have also signed up
5 have not started
6 has been taking
7 have met
8 has not had
9 has alredy learnt
10 have been doing
11 have you found

нужно объяснить почему вставлены именно эти ответы)
.

1 Don’t ask them. They don’t know the answer.
2 I don’t understand this. Can you help me, please?
3 She is very friendly and everyone likes her.
4 We must get up early. Please, wake us at seven.
5 Can you give Jane and me some ice-cream, please?
6 Where’s Anna? I can’t see her anywhere.
7 Look at them. They are all wearing school uniforms.
8 He is a very good sportsman. I really like watching him on TV.
5. Вставь правильные местоимения и запиши предложения.
1 He has got new felt-tip pens. He uses them to draw.
2 They are in the classroom. There are piles of books in front of them.
3 She is playing with the ball. She is holding it in her hands now.

1 Don’t ask them. They don’t know the answer.
2 I don’t understand this. Can you help me, please?
3 She is very friendly and everyone likes her.
4 We must get up early. Please, wake us at seven.
5 Can you give Jane and me some ice-cream, please?
6 Where’s Anna? I can’t see her anywhere.
7 Look at them. They are all wearing school uniforms.
8 He is a very good sportsman. I really like watching him on TV.
5. Вставь правильные местоимения и запиши предложения.
1 He has got new felt-tip pens. He uses them to draw.
2 They are in the classroom. There are piles of books in front of them.
3 She is playing with the ball. She is holding it in her hands now.