Question

you should abstain.......strong drinks (supply suitable preposition)​

Answer 1

You should abstain from strong drinks.

Answer 2

Answer:

You should abstain from strong drinks.

Explanation:

At times verb requires an introduction of a preposition to connect to the sentence's object. The phrase having a preposition and a verb is called a prepositional verb.

For example-

1. The children asked for some chocolates.
2. She admitted to stealing the pencils.
3. You should walk away from the dog.

Conclusion:

You should abstain from strong drinks.