Everyone must _____ the security check (安检) before getting on the plane at the airport.—Yes. It’s necessary to ensure the passengers’ safety.

Li Lei cannot eat so big a watermelon. You have to cutit_______.

“I know she was in because I heard her radio, but she didn’t open the door.” “She___the bell.”

What language is that guy speaking I can’t catch a word.— . He’s from India, so I guess it is Hindi.

The music is very , many student are in it.