It is reported that the United States uses ______ energy as the whole of Europe.

Have you heard of the news about the missing Malaysian plane?－Of course, people all over the world want to know _______.

Who’s the girl in red?—Sorry, I don’t know ____. —____ is a new student.

_______ have you visited the Summer Palace??—Nerver.[ ]

I think Zhuhai is one of _________ most beautiful cities in China and I’ll come for _________ second time.