They cannot obtain ___ (信任) at all in the trade.
It is impolite behavior to smoke in a ______(拥挤的) bus.
He ______(辩论), his voice trembling with anger.
Although difficult, it is a w______ task.
Everybody o_______ him leave(leaving) the room.
He also found that his potatoes did better in partial _______(阴凉处)than 【解析】in full sun.