10. The old lady makes a life / earns her living by selling used newspapers.

9. Scientists need to do a lot of research / experience and experiments before they can understand and find a cure for things.

8. The chairman asked me to limit/give my speech to 20 minutes.

7. The man who thought of combining/comparing a gas engine with wheels was the inventor of the automobiles.

6.　　　 To regain their energy / power after a hard game, the players lay on the grass.

5.　　　 He thought of his mutton kebabs and fatty pork cooking/cooked in the finest oil.

4.　　　 The competition between the 2 restaurants was on/out.

3.　　　 The teacher was preparing for/ preparing the examination, and the students were preparing for/ preparing it

2.　　　 Send an email to me and before long/ long before you’ll receive a small gift.

1.　　　 The police searched/ researched every room in the hotel for the criminal