At the foot of the mountain__________.
_____ on folk tales, Mo Yan's novels become a mixture of fantasy and reality.
No matter how busy he is, he makes _____a rule to surf the Internet for information.
— Tom was late for work this afternoon. — _____?As far as I know, he is fairly punctual.
— I rang you at about nine, but there was no reply. — Oh, that was probably _____I was seeing the doctor.
— There'ssomeone knocking on the door. Who _____it be? — It must be Mary. She promised to be here at 8:00.