______from space, the earth, with water _____seventy percent of its surface looks like a blue ball.

 If women are mercilessly exploited by fashion year after year, they have only themselves ______ .

Either you or one of your students ________ to attend the meeting ________ tomorrow.

In the job interviews job applicants often find themselves asked unexpected questions, some very difficult ____.

_____ more attention, your dictation might have been done much better.