1 When Monica (finish) her homework , she (go) out play with her friends
2 While we (do ) a sight-seeing tour our friends
(Lie) on the beach
3 He (wake) up and (look) at his watch
4 Alex (come) home , (switch)on the computer and
(Check) his emails
Надо поставить слова в скобках ( Past Simple или Past Perfect или Past Progressive ) . Смотря , что подходит

1. finished/went

2. were doing/were lying

3. woke/looked

4. came/switched/checked