_______ the pull of the earth, a rocket must reach a speed of 28440 km/h.
I don’t think he was happy although he lived in a rich family, _______?
________ some of the orange juice and perhaps you will like it.
If you ________ Beijing Duck,I'd like to treat you to a meal at a famous duck restaurant.
—Shall we meet tonight? —Sorry, I’m busy. How about________ day?
We left the meeting, there obviously __________ no point in staying.