How was your stay in Hong Kong— And it was a pity that I couldn’t stay there longer.
To improve the quality of our products, we asked anyone ____________ had used the products for suggestions.
Don’t eat ___________. It’s bad for your health.
The sports meeting, originally ______ be held last Friday, was finally delayed because of the bad weather.
There are two rooms on the first floor, _____ is used as a guest room .