NAM’S BROTHER DOES NOT WORK AS A TEACHER, AND SHE DOESN’T …..A. EI...

15. Nam’s brother does not work as a teacher, and she doesn’t …..

a. either b. neither c. so d. too

Question 5: a. Put one suitable word in the blanks.

A popular theory explaining the evolution (1)………... the universe is known as the Big

Bang Model. According (2) …………... the model, at some time between ten (3) …………..

twenty billion years ago, all present matter and energy were compressed into a small ball

only a few kilometers in diameter. It was, in effect, an atom (4) ………….contained in the

form of pure energy all of the components of the entire universe. Then, at a moment (5)

…………...time that astronomers refer to as T = 0, the ball exploded, hurling the energy (6)

……….space. Expansion occurred. As the energy cooled, most (7) ………….it became

matter in the form of protons, neutrons and (8)…….…. These original particles (9)

………to form hydrogen and helium, and continue to expand. Matter formed into

galaxies with stars and (10) ……….

b. Choose the best one.