We are confident that the environment________by our further efforts to reduce pollution(2013·辽宁，30)

Now more and more people ________ sending e-mails________ letters.

nd APEC summit has come to an end, but the Chinese elements ______ the meetings have drawn widespread attention from the public.

Whose handbag is this—It _________be Li Ping’s. I saw her take hers away just now.

is reported in the newspaper, talks between the two countries are making progress.