小明在体育用品专卖店购买篮球时发现,随着羽毛球拍供应量的增加,羽毛球的供应量也随之增加。这是因为①羽毛球拍与羽毛球是互补商品 ②羽毛球拍与羽毛球是互为替代品 ③某商品需求量增加,其互为替代品的需求量会随之减少 ④某商品需求量增加,其互补品的需求量会随之增加
—Who __________ an e-dog?—Mr. Wu __________.
What do you often ___________ after class?
—What ________ your mother __________?—She’s beautiful with bright (明亮的) eyes and long hair.
I think Lin Tao is clever. Let ________ you with the problem.
—You look _________ today, Julia!—Yeah, I got an iPad. It’s a birthday present from my aunt.