People should be suspicious of _______ e-mails claiming to come from official sources. Many are sent by criminals trying to gain access to people's bank accounts.

A: I'd be happy to drive you to the airport tomorrow.
B: Well, if it's no ___________, I'll accept your offer. It would really help me out.

The book describes some of the ___________ performed by famous mountain climbers, beginning with Sir Edmund Hillary and Tenzing Norgay's climb to the summit of Mount Everest.

Although the sales deal seemed attractive, the CEO felt there were many points that required further ___________ before a final agreement could be reached.

Security guards caught a young man trying to ___________ a video camera into the venue so he could illegally film the concert.

Zara demonstrated her athletic ___________ by becoming the youngest player ever to win a national tennis tournament.

Although parents must teach children the importance of honesty, schools should also do their part to ___________ students with this characteristic.

After one basketball player punched a player from the other team, players from both teams rushed onto the court and started a huge ___________ that officials had trouble stopping.

When plans for a new highway were announced at the town meeting, local residents protested angrily. It was difficult to hear the chairperson because of all the ___________.

A: Ms. Tanaka, do you have any suggestions for improving my vocabulary ___________?
B: I recommend you use flashcards. They can really help you remember new words.

During the election campaign, the press ___________ the mayor with accusations about his private life. It soon became clear he would never get reelected.

DNA testing finally ___________ the man of all charges, and he was set free after having spent five years in prison.