The final exam is a battle _______ everybody wants toshow off his or her talent

How can we reduce CO2 in our home? —It’s easy．______off your TV or computers when you’re not using them, and you’ll greatly reduce it

Susan’s face turned red when she found the teacher’s eyes _____ her.

mputer center, ________ last year, is very popular among the students in this school.

bought two pens, ____ writewell