What does push the envelope mean?
| a) | to post a letter |
| b) | to go beyond the limits |
| c) | to have a boring office job |
| a) | to post a letter |
| b) | to go beyond the limits |
| c) | to have a boring office job |
ACTIVITY:
Use the word or phrase in this lesson in a sentence.
Click ‘Reply’ and share your sentence.
John will check it for you!