Question

【题目】It's impolite to talk _____ your mouth full during a meal.
A.for
B.without
C.to
D.with

Answer 1

【答案】D
【解析】句意：在吃饭时嘴里装满食物说话是不礼貌的。根据句意及题干分析此空是表示伴随情况，所以用介词with，故选D。