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