It is most _____that the environmentalists will come to the area to investigate the possible damage caused by the serious pollution

The number of people, who have access to their own cars,sharply in the past decade

summer, John helps his parents the shop in the city center.

She was so angry and spoke so fast that none of us understood _____ she said meant.

From her ______ expression, we know that she didn’t understand the meaning. [ ]