Tomorrow is Earth Day.Let's discuss .（ ）
A．when shall we give out the leaflets
B．what we can do to recycle things
C．how should we save more energy
D．whether can we make our city greener
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