Время 30 мин, даю 30 баллов, пожалуйста

1.haven't been 2.have been studying 3.have had 4.also have signed 5.haven't started 6.has been taking 7.has met 8.hasn't had 9.has already learnt 10.have done 11.Haven't you found

Ответ:

1) be

4) sing up

5) not

8) have

9) already

11) you

  прости если есть ошибки :_)

Объяснение: