Use of English · Part 1
For me, the (0) HIGHLIGHT of this past week's science news was the images (1) .......... back from the Curiosity rover, providing (2) .......... geologic evidence that water flowed on Mars. Of course, this wasn't exactly a surprise; for decades, planetary scientists have suggested the channel networks visible in…
Desbloqueja tots els exàmens, simulacions il·limitades, les 80 fases del joc i molt més.