If trees continue _______ at the present rate, it won’t be _______there is no trees for shade.
China has got a good for fighting against the flu with its careful and smooth organization.
The population of the province to more than twice what it was in 1949. The figure is now approaching 74 million.
I asked for some more cake, but there was left.
—Is it OK to take this seat? —Sorry, .
-I didn't go to the art show, because I lost my ticket. -You______have borrowed mine I didn't go to see it anyway