Jawaban:

1. I will leave when you are through with the dishes. (change "where" to "when")

2. Marsha is sleeping with her mother because she is afraid of ghosts. (remove "of" after "because")

3. Tasya lost one of her eyes when she was three years old. (change "w\which" to "when")

4. Bianca lives where the road crosses the river. (remove "when" and change "when" to "where")

5. Because of his illness, Jihan could not take his final tests. (add "of" after "because")

6. Whenever there is a student meeting, Arnold is present. (change "wherever" to "whenever")

7. Because of her carelessness, Tania lost her money. (add "of" after "because")

8. I will pick you up when you are ready. (change "where" to "when")

9. My parents bought me a car when I graduated. (change "which" to "when")

10. The power went out while he was taking a shower. (change "where" to "while")

Corrected sentences:

1. I will leave when you are through with the dishes.

2. Marsha is sleeping with her mother because she is afraid of ghosts.

3. Tasya lost one of her eyes when she was three years old.

4. Bianca lives where the road crosses the river.

5. Because of his illness, Jihan could not take his final tests.

6. Whenever there is a student meeting, Arnold is present.

7. Because of her carelessness, Tania lost her money.

8. I will pick you up when you are ready.

9. My parents bought me a car when I graduated.

10. The power went out while he was taking a shower.