It's very dangerous to swim in the pool． Look at the sign．
Oh，I ____ notice it． Thanks for telling me．（ ）
| A． |
won't |
B． |
don，t |
C． |
haven't |
D． |
didn't |
Could you please tell me ____________ I can buy some stamps？
Yes． There is a post office on Center Street． （ ）
A．whyB．whereC．when
Whose volleyball is this？
It ___________ be Linda's． She loves volleyball． （ ）
A．mustB．can'tC．needn't
_________， he has to listen to tapes every day． （ ）
A．To learn English well
B．Learn English well
C．Learning English well
Lin Tao， a student of Grade 9， is ________ boy in our school． （ ）
A．tallB．taller
C．the tallest
Kate， _________ the TV， please． It's time to go to bed．
OK， mom． （ ）
A．turn onB．turn offC．turn up