— I am worried ________ I can enter a good high school or not.
— Work hard and trust in yourself.
why
what
whether
where
—I lost my dictionary.—Let me ______ you look for it.
The blue hat is 10 yuan, and the black hat is ______ 10 yuan.
We have sweaters ______ all colors _____ $ 5 each.
We sell our clothes _______ very good price.
-----How much are the shoes? ------ ________ 100 dollars.