According to a report, cigarette smoking ______ in all indoor public places in our province soon.
Many kinds of birds fly south at the ______ of winter.
At the meeting they discussed three different _____ to the study of maths.
The bald eagle_____ the United States.
It was difficult to guess what her _____ to the news would be.
—How do you _____ to her unkindly behavior? —Only silence.Which of the following is wrong?