They desired that they __________ the right to attend the meeting.
—I am going to travel to America.Would you consider telling me about your experiences there?—__.Let's discuss it over dinner.
I don't think the experiment is ___ failure, because it has provided us with ___valuable experience for our future tests.
---I’m sorry! I would have taken him to hospital if I had known he was seriously ill.--- But ______ .
Rock-climbing is a breathtaking activity, very popular nationwide among young people, ______ cooperation as well as courage plays an important role.
A housing bubble is an economic situation _____ occurs when house prices rise much too fast.