I have two pens. ______ is red, ______ is black.

If you have a self-centered attitude, it is, in my view, too selfish _____ you when making friends with others

Mr. Smith owned ____ collection of coinsthan anyone else I have ever met.

Five people won the“China’s Creen Figure”award,a title to ordinary people for their contributions to environmental protection[ ]

To our , the little girls is the first to go to bed.