The Shanghai World Expo is intended to achieve our common goal, world that is safer, cleaner and healthier than one we’re living in.
—Will he be back by ten tonight? —No, _____.
—Tom, would you like to come to our dinner party? — _____.
I don’t doubt ________ the plan will be well-conceived.
—Shall I begin the lecture? —I’m afraid we have to wait for a while. John is coming with a microphone. — ______. I can do without the microphone.
-----Let’s go to a place _______ we can make a round—trip in one day? ------What about one _______ we can climb and swim?