You _____ get the machine repaired this week. I won’t need it until next month.

 －_________ we go at 7.30 ? －What about __________ it a little earlier ?

Why _______ you be so stubborn? You should think over my advice on this matter.

To forbid the cheating strictly in this important exam, the authorities have released a rule that students _________ bring any reference books and stationery into their classrooms.

– Who didn’t turn off the light after school yesterday?– It ______ be Lucy. She told me she was the last one to leave the classroom.