Chia dạng đúng của từ trong ngoặc

1. This work needs your (strong). Strength
2. It has been a major (commerce) centre since 1990.
3. The necklace is not valuable, in fact it is almost (worth).
4. Cong Vinh and Huynh Duc are (professor) football players.
5. I lived in the village during my (child).
6. You should have explained your question with (clear).
7. Unless you (short) your speech, the students will get bored.
8. I hope our (friend) will last throughout life.
9. Thousands of (inhabit) have been homeless for five days.
10. It was (reason) of you to force him to eat the food.