Everyone ______ to pick up litter on the ground.A. is su Wap版

试题详情及答案解析: Everyone ______ to pick up litter on the ground.
A. is supposed
B. supposes
C. are supposed; 答案：B; 试题分析: 句意：每个人都应该拾起地上的垃圾。此题考查固定短语be supposed to do sth，如果是人做主语译为应该做某事；根据句意，故选B。
考点：考查动词短语释义。