--------- Mr Yang, can I come to see you tomorrow morning or tomorrow afternoon? ---------_________ is OK. I am free tomorrow.

If this dictionary is not yours, _____ can it be?

Low – carbon lifestyle is of great benefit to improve the world environment．        can be enjoyed from it until you have a deep understanding of it, however．

There’s another way to survive this competition -- a way no one ever seems to tell you about, _____ you have to learn for yourself.

After watching the movie Inception《盗梦空间》, I bought some DVD copies of the film, but now        is left.