Which of the following is incorrect?

1.In India, English is the —— language.

2.Choose the correct form of verb in the sentence —Many a student — his/her time in idleness.

3.Which of the following has got the correct spelling?

4.The antonym of the word '$forward^{\prime}, is$ —

5.Find out odd pair.

6.I have never — an illness to my life.

7.The purpose of today's presentation is to discuss —— internal communication in the company.

8.Which of the following is the synonym for the word, '$emission^{\prime}$?

9.He said nothing —— a long time.

10.The hospital ——— twenty million dollar for the construction of the new wing.

11.The — of the camel was found lying by the side of the canal.

12.The author of 'War and $Peace^{\prime} is$