在路旁 (a)   the roadside

饥饿地 ate (a)  

答应要更加小心 (a)   to be more careful

食物没有被盖住 The food was not (a)   .

There were some flies (a)   around 围绕 the food.

The doctor advised him to ____ __ ____留在家里 .

(a)  

后悔

(a)