You look not a bitolder than you did 10 years ago. How do you _______ so young

Later, these rocks proved that ___ in the distant past the Antarctic was covered by plants

______ your blog, I would have written back two days ago．

nt survey shows that the number of children who from the countryside with their parents ________nearly 320,000 in Beijing.

Please tell him the news quickly.It’svery important.—-OK.I’ll tell him_____I see him.