The charity sale our school organizes every year has taught us much that we would never have________ learned in class.

The special dance，Gangnam Style，is ________ popular all over the world and was even performed in the White House.

She put some soil in the box, then sowed the seeds carefully, and covered it with more soil. _______ she kept the box in the shade.

You must attend the meeting ____ at ten o’clock, as it is scheduled—not a minute early or late．

He didn’t work hard;       he was dismissed by the boss.