-----Where are the children? Professor Zhang has come and his speech will start soon.------I wish they always late.A. hadn’t been C. wouldn’t be D. wouldn’t have been D. weren’t
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.