— I am worried ________ I can enter a good high school or not.
— Work hard and trust in yourself.
why
what
whether
where
—? —Quite well, thanks.
Some of the stickers belong to me, while the rest are ____________.
Your computer doesn’t work。.You’d better have it .
Because of the bad weather, the travelers had to stop, and decided to a tent for the night.
About ___________of the workers in the factory were born in__________.