1. My hair is dirty. I am going to wash it. 2. I don't want to go home by buss. I
3. John's university course begins in
October. He engineering.
4. Take an umbrella with you. It
5. I am hungry. this sandwich.
her
6. It's Ann's birthday next week. We
a present.
7. I feel tired down for an hour.​

He was engineering.

lt and chairs.

1. My hair is dirty. I am going to wash it.
Explanation: The person is stating that their hair is dirty and therefore they are planning to wash it.
Solution: The person should take some shampoo, wet their hair, apply the shampoo, and then rinse it off with water.

2. I don't want to go home by bus. I
Explanation: The person is expressing their dislike of using the bus as a means of transportation to go home.
Solution: The person can consider other alternatives such as walking, taking a bike, or even asking someone for a ride.

3. John's university course begins in October. He engineering.
Explanation: The sentence seems incomplete and lacks the verb "is" to make sense.
Solution: The correct sentence should be "John's university course begins in October. He is studying engineering."

4. Take an umbrella with you. It
Explanation: The sentence is incomplete and lacks an object that the pronoun "it" can refer to.
Solution: The sentence should be completed by adding the object that the person should take the umbrella for. For example, "Take an umbrella with you. It might rain."

5. I am hungry. this sandwich.
Explanation: The person wants to express their desire to eat a sandwich.
Solution: The person should grab the sandwich and start eating it to satisfy their hunger.

6. It's Ann's birthday next week. We a present.
Explanation: The person wants to mention the need to buy a present for Ann's birthday.
Solution: The person should plan to go shopping and buy a present to surprise Ann on her birthday.

7. I feel tired down for an hour.
Explanation: The sentence seems incomplete and lacks an action or additional information.
Solution: The person should clarify what they want to do or achieve while feeling tired. For example, "I feel tired, so I will lie down for an hour to rest."