|Add a new lesson / test / 1 lesson per week|
Click here to log in
4 million accounts created!
JOIN our free club and learn English now!
Get a free English lesson every week! 2 MILLION subscribers!
- Our other sites
Learn English > English lessons and exercises > English test #52614: Scientific development
Find the mistakes.
Find 10 mistakes in this text.
End of the free exercise to learn English: Scientific development
A free English exercise to learn English.
Other English exercises on the same topic : Business | All our lessons and exercises