A:2
B:3
C:3.5
D:4
①每个家庭都是和睦幸福的 ②家庭和睦,人生才能获得幸福
③要让家成为温馨的港湾 ④家能满足我们的一切需要
⑴Open the door, please. ____ A.
⑵Close the window, please. ____ B.
⑶Open the window, please. ____ C.
⑷Close the door, please. ____ D.