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.

What way can you think of ______ the mice in the room?

 --- Another cup of coffee? ---No. thanks. I _____ be off. Marry is waiting for me.

(2013·安徽安庆二模)—She looks very happy. She ________ have passed the exam.—I  guess so. It's not difficult after all.

We _______ play on this road. There is too much traffic.