Не игнорьте ! завтра !

rewrite the sentences in perfect continuous tense using time adverbials given in parenthesis.

example
i study behavior of wild elephants(lately).
lately i have been studying behavior of wild elephants.

1 john creates amazing visual ilusions (recently)
2 jane goodall studies chimpanzee (all her adult life).
3 marie curie discovered radioactivity and new diagnostic methods in medicine were developed (since)
4 many myths about use of tool by animals were dispelled (recently)
5 the scientific phenomenon of a deja vu is not fully explained (yet).
6 scientists are trying explain the phenomenon of sailing stones (for years).​

flimas    2   17.09.2019 11:50    53