From space, the earth looks blue.This is ________about seventy－one percent of its surface is covered by water.
| A．why | B．how | C．because | D．whether |
The cloth _______ easily if ______ on a table.
| A．measures; spreading | B．measures; spread |
| C．will be measured; spreaded | D．is measured; spreaded |
--Why do you have a _______ look?
--Because you almost _______ me out of life by your _______ mask.
| A．frightening; frightened; frightening | B．frightened; frightening; frightened |
| C．frightening; frightening; frightened | D．frightened; frightened; frightening |
—May I open the window to let in some fresh air?
—___________!
| A．Come on | B．Take care | C．Go ahead | D．Hold on |
. With a _________ expression on her face, she is _______ about what to do next.
| A．puzzled; puzzling | B．puzzling; puzzled | C．puzzled; puzzled | D．puzzling; puzzling |
—I'm sorry. I _________ at you the other day.
—Forget it. I was a bit out of control myself.
| A．shouldn't shout | B．shouldn't have shouted |
| C．mustn't shout | D．mustn't have shouted |