Fill in the blank with the correct preposition:
The plumber promised to fix the leaking tap ______ an hour of our call.
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → within
Complete sentence: The plumber promised to fix the leaking tap within an hour of our call. The plumber said the tap would be fixed before one hour had passed after the call.
| Option | Used to show | Example |
|---|---|---|
| (1) since | the point in the past when something began | Our dog has been sleeping since lunch. |
| (2) within (answer) | with a length of time: before that time is over. It sets a limit | The courier promised to deliver the parcel within two days. |
| (3) during | something happens at some time while an event goes on | The lights went off during the school play. |
| (4) till | an action goes on up to a certain time and then stops | The shop stays open till ten at night. |