Page 133 - English Reader - 3

galaxy : a system consisting of a large number of

stars bound together by gravity.

nebula : a large cloud of dust in space.

4.2. Use the words in 4.1 to complete the sentences below.

a. Our earth is surrounded by a layer of air called

………………………………..

b. An ………………………… reached the moon and got back

a few years ago.

c. The dust was so massive that it formed a ………………..

in the space.

d. Many stars form a ………………………….

5. Grammar Time

5.1. Choose the correct option from the bracket to complete

the sentences below.

a. She is very (nice/nicely) to children.

b. The dog was (quick/quickly) enough to catch the bird.
c. Yami is better than all the dancers in the club. She is

(good/better/the best) dancer.
d. Silva is (happy/happier) today than he was

yesterday.

Dolphin English Reader book 3 133