The shopping center wasn't _____ this morning as it usually is. A: more crowded B: more crowding C: as crowding D: as crowded

The train was very . A: crowd B: crowded C: crowding D: crowds

选词填空He found the street much _______. A: crowd B: crowding C: crowded D: crowdedly

It was a ______ day with people crowding her all the time. She was busy with their complaints. A: nervous B: restless C: impatient

Americans have a high tolerance of crowding while Asian people have a low one. A: 正确 B: 错误

The police warn people to take care of the old and the young in _________ places. A: crowd B: crowding C: crowded D: crown

When I got to the museum, I found it（）with people. A: crowded B: crowding C: have crowded D: had crowded

It was a ____ day with people crowding her all the time. She was busy with their complaints. A: restless B: nervous C: impatient D: good

Keeping your head, instead of crowding and pushing to get to an exit, may make the difference between life and death when fire breaks out.

The study of informal space requires examining people’s __________. A: territoriality B: tolerance of crowding C: proximity (personal distance) D: style of furniture arrangement