4. We met with many difficulty.

3. He has had many interesting experiences.

2. Sure, there is many room for improvement.

1. Shortly after the accident, two dozens police were sent to the spot to keep order.

10. Husbands should care for their wives.

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9. Some friends of my brother will come to join us.

8. The Summer Palace is one of Beijing's finest park.

7. It's about half an hour drive from here.

6. He had a few white hairs.

5. My mother is a good cooker.