It was from only a few supplies that she had bought in the village ________ the hostess cooked such a nice dinner.
It was not until everybody was present __________the party started.
If I had tried my best last term, I ________more progress then.
---The Bird's Nest, isn't it?---Yes. It's ___________we visited during our stay in Beijing.
---Did you have _______fun in Australia?--- Sure. It was ___________ unforgettable experience.
--- How is the project going?--- Fairly well. We have ______________the best solution.