Explanation

Biennial means an event that happens every two years, or a plant that takes two years to complete its life cycle.

Biennial ہر دو سال بعد 

Every two years ہر دو سال بعد

Explanation

• Annihilated means to destroy something completely so that nothing is left or to defeat an opponent overwhelmingly.
• Annihilated مٹا دینا , نابود کر دینا , or معدوم 
• Destroyed تباہ, برباد, or اجڑا 

Explanation

اس طرح تین اور تھے۔

There were three more like this

Explanation

میں نے اپنے خیالات کو الفاظ کا جامہ پہنایا۔

 I put my thoughts into words.

Explanation

• Harass means to annoy, trouble, or attack someone repeatedly over a period of time.
• Harass ہراساں کرنا , ستانا , or پریشان کرنا
• Annoy, ناراض  

Explanation

• Give me a pair of scissors. 
• Scissors are generally treated as a plural noun.
• For one item, use “a pair of scissors.”
• “A scissors” and “an scissors” are incorrect.
• “Scissorses” is incorrect.

Explanation

• Either of the books is worth reading. 
• Either refers to one of two.
• “Either” takes a singular verb → is.
• Correct structure: Either of + the + plural noun + singular verb.
• “Either of books” is incorrect; use “either of the books.”

Explanation

• I saw five sheep in the field.
• Sheep has the same form in singular and plural.
• Singular: one sheep
• Plural: five sheep
• “Sheeps” is incorrect.

Explanation

• There are only five hundred students in our college. 
• After a specific number, hundred remains singular.
• Correct: five hundred students.
• Incorrect: five hundreds students.
• “Hundreds of” is used for an unspecified large number.

Explanation

• I brought five dozen mangoes. 
• After a specific number, dozen remains singular.
• Correct: five dozen mangoes.
• Incorrect: five dozens mangoes.
• We use “dozen of” when the quantity is not preceded by a specific number.