Which is correct?
He joined to the army in 1900.
He joined in the army in1990.
He joined with the army in 1990.
He joined the army in 1990.
Explanation:
Correct Answer is: He joined the army in 1990.

He joined to the army in 1900.
He joined in the army in1990.
He joined with the army in 1990.
He joined the army in 1990.
Correct Answer is: He joined the army in 1990.

What is the `noun` form of the word `beneficial`? Option A: benificialness , Option B: benefit , Option C: beneficient, Option D: beneficiary, correct answer is: benefit
What is the noun form of the word `know`? Option A: knowing , Option B: knowledge , Option C: knowledgeable, Option D: known, correct answer is: knowledge
You should dress for cold weather today. Here the underlined word is a : Option A: Conjunction , Option B: Preposition , Option C: verb, Option D: noun, correct answer is: verb
`Forgiveness in a great virtue`.Which class of noun `forgiveness`` belongs to? Option A: Collective , Option B: Common , Option C: Material, Option D: Abstract, correct answer is: Abstract
Human brain is the most sophisticated machine. Here `sophisticated` is a/an___. Option A: noun , Option B: verb , Option C: adjective, Option D: adverb, correct answer is: adjective