2. Complete the sentences with suitable words/phrases given in the box below:

(a) Jolly is my friend. She - sing in a choir, but she gave it up for some unavoidable reasons.

(b) The world economy is passing through a great crisis due to war situation. The world leaders - on the economy and security of the common people.

(c) We went to John's office yesterday. He behaved - he had not known us.

(d) - a - dinosaur? Have you ever seen it?

(e) We are waiting outside. - you finish your dinner, don't delay to join us.

(f) He is so honest that he - die than cheat.

(g) - the ice had cracked? You would have disappeared into the icy water.

(h) You told me about a French novel. - the novel - ?

(i) I am very thirsty. I - having a nice cool glass of lemonade.

(j) - exists no life on the Mars.