Father is us a meal . We may wash our hands and the meal.A. preparing ; prepareB. preparin

问题补充：

Father is us a meal . We may wash our hands and the meal.

A. preparing ; prepare

B. preparing ; prepare for

C. preparing for ; prepare

D. preparing for ; preparing for

答案：

A. preparing ; prepare

(答案→)B. preparing ; prepare for

C. preparing for ; prepare

D. preparing for ; preparing for

解析：句意：爸爸正在为我们准备饭，我们可以洗手为吃饭做准备了。Prepare“准备，烹饪”，prepare sb a meal帮某人做顿饭，第二空填prepare for“为…做好准备”，选B。