I___there little more than a week when I set to work with the scientist.
Chang’e-3 made China become the third nation _____ an unmanned spacecraft on the moon.
— Could you do me a favor to take this book to John? — _____
By the time the storm ended, more than 200 people in that area _____.
The police ________ the prisoner to see if he had a gun.
About two hundred people are working in his company now,most of________ were once out of work.