— I am worried ________ I can enter a good high school or not.
— Work hard and trust in yourself.
why
what
whether
where
—May I use your bike? —_____
—Hi, Lily. Happy New Year! —_____
—_____ does your mother usually go to the office? —By bus.
—_____ —Go up this road to the end.
The teacher often says, “ _____ late for school. ”