Put the verbs in brackets into the correct present\past perfect tense. ⦁ I’ve got a headache because I (look) at my computer screen all day. ⦁ The sundial (use) for around 1500years by the clepsydra was invented. ⦁ (you\finish) your project yet? ⦁ Assel was tired brcause she (travel) all day. The slideshow turned out to be a disaster because the equipment(not\check) for weeks
Объяснение:
1 had been looking
2 had been used
3 Have you finished
4 had been travelling
5 hadn't been checked
Вроде так.