问答题
A.Mark played an active part in community activities. B.the city councilwoman was responsible for the decrease of life quality. C.people were encouraged to give advice to solve these city problems. D.many people were discouraged by the many problems facing them.
A.you will feel that Americans do not seem very friendly B.you will be puzzled why Americans do not smile at you C.you will fail to notice that Americans are pleasant and happy D.you will find that Americans don’t have much sense of humor