Green products are becoming more and more popular because they are environmentally _________.

This doubt had been in my mind for some time, but the research still went on some reasons.[ ]

Is this your pencil —No, ______ is here. I think it’s Yang Hua’s.

Computers are becoming more and more important these years.—-YesWithout them human life quite different

Jack is ______ 8-year-old boy. He often collects things for Project Hope.