Select the most appropriate option to fill in blank number 4.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. signed.
- The sentence talks about certain UK supermarkets coming together to make a promise or commitment related to transforming packaging and reducing plastic wastage.
- The phrase "have signed up" would indicate that these supermarkets have taken the action of formally agreeing to participate in this pact or agreement.
Thus, the completed sentence would be:
"Some of the largest UK supermarkets have signed up a pact promising to transform packaging and cut plastic wastage..."