判断下列句子，是祈使句的在括号内填“Y”，不是的填“N”。( ) 1. Thank you very much.
( ) 2. No parking.
( ) 3. It's a good idea.
( ) 4. Don't play football on the road.
( ) 5. Happy New Year!
( ) 6. Close the window, please.1. N 2. Y 3. N 4. Y 5. N 6. Y