Complete the sentences with the correct forms of the verbs in the brackets. Use the past perfect continuous.

1.  Laura needed a break because she (study) [ ] all morning.

Рис. \(1\). Working

2.  When I went to see Ms Winter, her secretary told me that she (speak)  [ ] on the phone for two hours.

3.  We (study) [ ] Spanish for five years before taking an exam.

4.  She (learn) [ ] Spanish at school.

Рис. \(2\). Spanish