--Will you go to the cinema with me this evening?
--I'd love to, but I have ________ work to do this evening.
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It is considered no good ________ without understanding.
It is well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.
Though he was badly hurt, the driver ________ to get out of the car and ________ help.
________ from the moon, our earth with water ________ seventy percent of its surface, appears as a“blue ball”.
Although Peter is clever, ________ work hard.
At the ________ news, the ________ boy couldn't move or cry.
--What's the number of people ________ the election?
--If you put the four parts together, it reaches 100000 ________.
The little boy stands ________ to his father, and listens ________ with great interest.
There is a new problem involved in the popularity of private cars ________ road conditions need ________.