of
1. He died of old age.
2. that is a real work of art.
3. He gave me a piece of good advice.
4. That box is made of wood.
5. The whole of Greenland is covered with snow.
6. We visited the city of Hong Kong.
Please attend my class to learn the techniques of memorizing and usage.
1. He died of old age.
2. that is a real work of art.
3. He gave me a piece of good advice.
4. That box is made of wood.
5. The whole of Greenland is covered with snow.
6. We visited the city of Hong Kong.
Please attend my class to learn the techniques of memorizing and usage.