We use -ion (discuss - discussion), -ment (agree - agreement), -ation (organise - organisation), -y (deliver
- delivery) to form abstract nouns from verbs.
1 Scientists are very excited about the
of an ancient stream on
Mars. (DISCOVER)
2 The members of the mission needed hospital
after the accident. (TREAT)
3 If you want
... about space
exploration, visit this website. (INFORM)
4 The revised of this book contains
a lot of information about space. (EDIT)

PYULIK12    1   23.12.2021 08:22    1