ESL, Niveau primaire

Common English Errors (3)

After visiting several galaxies, the aliens found themselves captivated by life on ..........
I know it sounds unreasonable, but it ......... that she will never come back.
Our friends, whom we haven't seen in a long time, ......... last night.
I keep my favorite ring ......... a large heavy metal safe at home.
The world needs to depend on other energy sources ......... oil and other non-renewable resources.