Why do some governments spend billions of dollars on military expansion ________ the people of these countries are still suffering from starvation and poverty?
The girl looked at me with a________expression. Maybe the problem was quite________.
I can't say which wine is better—it's a(n)________of personal taste.
—I'm sorry for not having told you the news earlier. —________.
________,the search engine just gave me some brief introductions rather than the whole content of the book to read.
The boy really has________good memory.He can write the content of the book from________memory.