【单选题】
I have an appointment_________ 15 minutes.
【单选题】
My answer is different from yours. I_________ with you.
【单选题】
Should you jog too? If you do, be sure to ask your doctor for_________ .
【单选题】
Ill finish my adult education courses_________ two years.
【单选题】
_________ the early nineteenth century, people did not use stamps.
【单选题】
When a program has a small number of people_________ it, it is discontinued.
【单选题】
You can_________ yourself to remember better.
【单选题】
You cannot remember things_________ you are tired or unhappy.
【单选题】
Jogging makes the heart stronger and helps people lose_________.
【单选题】
I want to mail this letter to the U.S.._________ is the postage, please?