
Answer — Exercise 9
10 - Grammar·New Headway Pre-Intermediate - Workbook
Question
Read the text. Put the verbs in brackets in the correct tense, active or passive.
Answer
- is used
- was invented
- wrote
- started
- was invented
- was made
- kept
- was brought
- was built
- has been made
- uses
- be recycled
- is expected
- is done
- be read