Students should be encouraged to use________Internet as________resource

________— No, he is sick.

When different cultures, we often pay attention only to the differences without noticing the similarities.

ill people die of in 100 years If you thinkthat is a simple question, you ______ attention to the revolution taking placein biotechnology

in the dormitory means _______ to take care ofyourself, understand each others’ differences and share_______ interests.