A) complete the sentences using past simple or present perfect. example: they in a new project. (to take part / last year)- they took part in a new project last year. 1)the scientist his article.(to write \ already)- 2)andrew's hamster his food,(to eat \ just)- 3) the boys an old cage in their garden. (to find \ yesterday)- 4) they the problem. (not \ discuss \ yet )- 5) charles his translation. (to finish \ just )-
2) Andrew's hamster has just eaten his food.
3) The boys found an old cage in their garden yesterday.
4) They haven't discussed the problem yet.
5) Charles has just finished his translation.