1.The hydrogen / Hydrogen is lighter than the atmosphere / atmosphere.
2.The telephone / Telephone was invented by Alexander Graham Bell.
3.Windows / The windows are made of the glass / glass.
4.Kate lives in Manchester / the Manchester in a little street called a Green Street / Green Street.
5.Paula is the interesting / an interesting woman. We are very interested in what she is saying on a subject / the subject.
6.I went to the bank / a bank today and they said I didn’t have any money!
7.A book / The book that you gave me on Sunday / the Sunday was really good.
8.Most experts agree that ice / the ice at poles / the poles is melting.
9.An Japanese / The Japanese are some of the most creative people in world / the world.
10.Scientists / The scientists have discovered a new galaxy / the new galaxy. 11.We went out for meal / a meal last night at Indian Restaurant / an Indian Restaurant in the South Street / South Street.
12.A bird / The bird has an aerodynamic / the aerodynamic shape and the feathers / feathers to enable it to fly.