The man who connives ___ the faults of his children is their worst enemy.
My book has been(a) missing from(b) my room till(c) yesterday. No Error(d)
The Management Committee has(a) requested me not to take any action(b) unless and until I don't see(c) all the documents. No Error(d)
My uncle frequently goes to abroad(a) . No Error(d).
People who are averse with(a) hard work generally(b) do not succeed in life(c). No Error(d).