Tác giả Elizabeth Ferretti

Young Adult Eli Readers - The Earthkeepers - Stage 3 B1 - Downloadable Audio Files When five young people in Berlin receive a mystery invitation, they begin an adventure that takes them to Greenland, Rwanda, South Africa and South America. It’s an adventure that makes them some important friends... and a few enemies. Will the five find a way to help the Earth? Will the world listen to the “Earthkeepers”? Syllabus Pronouns Reflexive and emphatic: myself, etc - Relative: who, which, that - Reciprocal: each other Prepositions Prepositions following nouns and adjectives: put on, take out of, work at, pay for, etc Connectives when, while, until, before, after; because, since, as, for; so that Verb tenses Present Continuous: future plans and activities, present actions Past Perfect Simple Modal verbs can’t: logical necessity - could: ability (was able to/managed to), possibility, polite requests - might (present and future reference): possibility, permission - must: logical necessity and obligation - had to: obligation - should: (present and future reference): moral obligation, advice