Let's complete the sentences using the appropriate words given in parentheses:

2. Latex is a **milky** liquid from rubber trees. (MILK)

3. I think it an occasion for **celebration**. (CELEBRATE)

4. Shakespeare's plays were written **originally** to be played, not to be read. (ORIGIN)

5. There is plenty of **entertainment** for young people in this city. (ENTERTAIN)

6. He had an accident because he was a **careless** driver. (CARE)

7. Japan is one of the most **industrial** countries in the world. (INDUSTRY)

8. It's **useless** to complain; you won't get your money back. (USE)

Now, let's use the correct tense or form of the verb given in parentheses to fill in each blank:

Dentists can do a lot (0) **to improve** (improve) your teeth. They can straighten your teeth by (1) **putting** (put) wires on them. These wires push the roots of your teeth the right way. The best time for (2) **doing** (do) this is while the teeth (3) **are growing** (grow). A dentist, however, prefers (4) **not to start** (not start) doing this before a child (5) **is** (be) at least eight. Sometimes a dentist even uses elastic bands (6) **to make** (make) a tooth straight. Sometimes (7) **pulling** (pull) a tooth out can prevent the other teeth from (8) **growing** (grow) too close to one another.

Finally, let's fill in each blank with a suitable word given in the box:

Rubber is one of the most useful substances (1) **known** to man. It can be found in many things around us, like car tires and chewing gum. Rubber is made (2) **from** a milky liquid called latex. Latex is obtained from rubber trees.