The biggest cities in Canada only have about six million people while _______ in China are much larger.
to advertisements constantly can help to change people’s opinions over time
-May I trouble you with the question? -Sorry, but it is______ my knowledge.
You can never be_____ careful ; the road is icy and slippery.
I can’t fully understand what his music conveys, his performance is quite impressive.
—Could I borrow the book by Mo Yan? — .