Directions: Which of the following phrases given below in the options should replace the phrase that is underlined in the sentence to make it grammatically correct? If the sentence is correct and does not require any correction mark 'No correction required' as your answer.
The old lady is very witty and cautious with her money, it's not easy to fool her.
1
careful in
2
cautious at
3
cautious towards
4
alert in
5
No correction required