Which `but` is a preposition?
It is but right to admit our faults.
What can we do but sit and wait?
We tried hard, But did not succeed.
There is no one but likes him.
Explanation:
Correct Answer is: What can we do but sit and wait?
এখানে but শব্দটি ছাড়া বা ব্যতীত অর্থে preposition হিসেবে ব্যবহৃত হয়েছে।