**Exercise 4: Fill in each blank with just, already, or yet.**

1. I haven’t come back home **yet**.
2. I’ve completed my homework **already**.
3. He has returned from his business trip to America **already**.
4. I have had three tests this week **already**.
5. Have you played table tennis **yet**?

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**Exercise 5: Give the correct form of the words in brackets**

1. I’d like to work as a volunteer for a charity **organization**. (ORGANISE)
2. There are many kinds of **environmental** pollution such as air pollution, land pollution, and water pollution. (ENVIRONMENT)
3. He made a £5000 **donation** to charity. (DONATE)
4. The programme was **beneficial** to both the community and individuals. (BENEFIT)
5. The Soup Kitchen is a **non-profit** organization that provides free meals for needy people. (PROFIT)