Question

---Complete the following sentences with modals and the Present Perfect tense. a). Amelia Earhart´s plane (crash) into the Pacific Ocean. (80% sure) b.) The explorers (not lose) their way on that mountain. (50% sure) c.) I don´t think it was a UFO. It (be) a hot-air balloon. (80% sure) d). Some people believe the ship (sink) in the Black sea. (30% sure) e). Aliens (not create) the Nazca lines. (50% sure) f.) The workers in the pyramids at Giza (carry) the stones across the Nile River. (30% sure) g). The Russian hikers (encounter) the YETI. (50% sure) h.) The Celts (not build) Stonehenge. (80% sure) i). I (leave) the keys at home. (30% sure) j). The explorers (suffer) a lot. (80% sure)

Answer 1

Respuesta:

a). Amelia Earhart´s plane must have crashed (crash) into the Pacific Ocean. (80% sure) b.) The explorers haven't lost their way on that mountain. (50% sure) c.) I don´t think it was a UFO. It must have been (be) a hot-air balloon. (80% sure) d). Some people believe the ship may have sunk(sink) in the Black sea. (30% sure) e). Aliens couldn't have created (not create) the Nazca lines. (50% sure) f.) The workers in the pyramids at Giza may not have carried(carry) the stones across the Nile River. (30% sure) g). The Russian hikers could have encountered(encounter) the YETI. (50% sure) h.) The Celts must not have built (not build) Stonehenge. (80% sure) i). I may have left (leave) the keys at home. (30% sure) j). The explorers must have suffered(suffer) a lot. (80% sure)

Explicación: