**Exercise 5: Fill each blank with a word/phrase in the box.**
1. Nowadays, more and more people around the world are learning English as a second **language**.
2. What is the longest word in English which has only one **vowel**?
3. Can you give me an English word that can **operate** as a noun, a verb, and an adjective?
4. One of the reasons why the **pronunciation** of English is open is that it has borrowed many words.
5. Nowadays, there are many **varieties** of English all over the world such as British English, American English, Australian English, Indian English, etc.
6. My sister's close friend works as a **bilingual** secretary for an insurance company. She is able to speak English and French equally well.
7. One of the basic characteristics of English is the simplicity of form. Many English words have been **simplified** over centuries.
8. It's not easy for adult students to improve their **accent** when they learn English because they often find it hard to change the way they speak.
9. Adult students have more difficulties in developing speaking **skills** than young learners.
10. When you begin learning English, don't worry about not having a native-English **accent**. It's more important to be able to speak clearly so that people can understand you.
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**Exercise 6: Write the first conditional sentence.**
1. **If** Rita fails her driving test, **she will be able** to take it again.
2. **If** Liverpool loses, **Terry will be upset**.
3. **If** the office is closed, **Mike won't be able to get in**.
4. **If** Cathy arrives a bit early, **she can help** her mother to get things ready.
5. **If** the party goes on all night, **no one will want** to do any work tomorrow.
6. **If** Alice misses the train, **she can get** the next one.