of the men was charged with robbery，but I’m not sure which was．

With the environment worsening, the government ______ people for more environment protection.[ ]

My sister asked me to go there by train, because the train ticket is ______ the plane ticket[ ]

We held a welcome ceremony yesterday ________ Professor John Grey who had just come and would teach in Zhejiang University.

The young girl stood there ______ without sayinganything.