Thousands of people turned out into the streets to ________ against the local authorities’ decision to build a highway across the field.

—What’s wrong?—Nothing serious.I’m just ________  busy.

Messi, only 25, has won his ______ as one of the world’s greatest soccer player.

(2012·辽宁)The newcomer went to the library the other day and searched for ________ he could find about Mark Twain.

Young kids! You'd better apologize to us，or we________the right to accuse you of cheating.