Question

Choose the correct preposition from the following.

The public are cautioned ................ pickpockets

1. of

2. against

3. about

4. on

• A. 1
• B. 2
• C. 4
• D. 3

Answer 1

Answer:

B. 2

• The verb "caution" is used with the preposition "against" to form a phrasal verb that means to warn someone or something against something.