Помогите, прошу по-человечески, с этим. Я не понимаю, а завтра сдавать...

Можно просто по порядку вставленные слова.

1 Тест

1 can

2 wasn't able to

3 can

4 can

5 can

6 can

7 couldn't

8 will be able to

9 can't

10 was you able to

11 could

12 could

13 could

14 couldn't

15 could