\boxed{\rm{had~better\qquad was~born\qquad would~rather\qquad as~soon~as\qquad let~alone\qquad in~order~to \qquad has~to\qquad whenever\qquad there\qquad as~if}} (a) The students were making a noise in the class. But — the teacher entered the class, they kept quiet. (b) It was a hot summer day. A crow felt very thirsty. So it was flying here and there — find water. (c) Panna was a criminal. So he was always on his toes. — he saw the police, he hid himself. (d) The man is so weak that he cannot walk. He cannot walk even a kilometer — five kilometers. (e) — is a nice kitchen garden just behind our house. So we can get fresh vegetables from there. (f) I am too tired to talk. I can no longer give you company. You — leave me and let me take rest. (g)Though I am poor, I hate begging. Begging is most disreputable. I — die than beg. (h) Michael Madhusudan Dutt was a popular Bengali poet. He — in a sophisticated Hindu family, but he took Christianity when he was young. (i) My friend ‘Ratul talks — he were a millionaire. But he comes of an impoverished family. Moreover, he is good for nothing. (j) Rana is a meritorious student. He is the first boy in our class. He — study hard and work more to maintain his position in the class.