— What can I do for you, madam?
—I want some cakes my parents.
A:buy; for
B:to buy; to
C:buy; to
D:to buy; for
某盆地底部比海拔768米的山峰低900米,两者的相对高度为( )
榜样是时代的____,榜样的力量是无穷的。
词语小本本。