—How can I wake up so early? —Set the alarm at 5:00 a.m., ________ you will make it.
The new road is __________ of the old one.
Electronic devices such as iPods and headphones can do great harm to our hearing if _______ improperly.
A new __________to teaching English, is being used here, and it has proven to be very helpful to the students.
It was at the very beginning _______ Mr. Fox made the decision _____ we should send more fire-fighters there.
Last Sunday I went to visit the History Museum where I saw a pot _________ about 1,000 years before.