where作關代的時候是=(介係詞+which), 想請問這樣以下我造的句子, 這樣用where是否可以?
1. The wall where he gazed is full of graffiti.
2. The seat where he had been stared was taken.
3. The countries where we always give our support are our ally.
4. This is the school where they donated the money.
5. The mansion where he spent much money is located in the city.
6. They paid a visit to the restaurant where they provide the recipes and
7. The company where I sent the samples has not given me any reply yet.