函数的图象，可由函数的图象经过下述___ 变换而得到（ ）.

A：向右平移个单位，横坐标缩小到原来的，纵坐标扩大到原来的3倍

B：向左平移个单位，横坐标缩小到原来的，纵坐标扩大到原来的3倍

C：向右平移个单位，横坐标扩大到原来的2倍，纵坐标缩小到原来的____lastSunday．After breakfast, my grandparents went for a walk in the park with their dog．They liked the____air there．My father____with his friend．My mother had to____．What about my brother? He read a book about____in his room．I practiced the piano in the living room．