Hi，Susan，When is Teachers' Day in China？
It's September 10th．（ ）
| A． |
in |
B． |
on |
C． |
at |
D． |
for |
Would you like to go shopping with me after lunch？
I'd love to， but I ____ to go out this afternoon．（ ）
A．don't allowB．will allow
C．won't be allowed
Could you please tell me____？
Sure． Just go along this street and you'll find it on your left．（ ）
A．where is the bookstore
B．where the bookstore is
C．how can I get to the bookstore
Lucy，when you leave the room，please ____the light．
OK，Mom．（ ）
A．put offB．turn offC．turn up
____my grandpa is over 80 years old， he still looks strong and healthy．（ ）
A．AlthoughB．BecauseC．Unless
Be more____next time， and you won't make the same mistake again．（ ）
A．carelessB．carefulC．nervous