Julie is only eleven years old， but she is ________ than her mother．（ ）
A．tallerB．tallestC．olderD．oldest
My classmate is running so fast!I ________ believe my eyes.
A．can'tB．needn'tC．mustn'tD．shouldn't
There ________ a concert in our school hall next week.
A．isB．wasC．will beD．will have
Try this dress on，Lucy.It must look nice ________ you.
A．onB．inC．atD．with
Walking is good for health.So I ________ go to school on foot.
A．everB．neverC．seldomD．often
My brother is much ________ than me now.He grows really fast.
A．tallB．taller
C．tallestD．the tallest