Which of the following is correct?

1.What could be the most appropriate title for the passage?

2.Which one is the correct spelling?

3.Choose the correct form of verb form the following : If it

4.The antonym of the word, '$adequate^{\prime},$ is¾

5.The word, "calling", in the sentence, "The calling bell is out of order", functions as¾

6.Choose the correct sentence from the following :

7.It is easy $\to$ say, but ___ $\to$ do.

8.Would you mind __ the window?

9._$_thanks go \to you for your generous$ help.

10.We were delayed __a traffic jam.

11.She is one of the most courageous persons¾.

12.___big book on - table is for my history class.