It is ________ you to sleep in class. Under my impression, you are so energetic.
---Please take these letters to ____ post office , Jack ---With ____ pleasure, Dad.
Mr. Blake is very popular because of his good of humor.
—Was it last summeryou luckily got an opportunity to spend your holiday in Hawaii ? —Not me . John was the lucky dog .
---Must I fill in the form? --No, _______.
There is a great danger if the driver has been drinking alcohol or taking drugs, or _____ by speeding or breaking down traffic laws.