The house is very expensive. We can't buy it

1 . viết lại các câu sau sao cho nghĩa không thay đổi :
 a, the house is very expensive .We can't buy it
    ---> the house
 b, my sister can't get married because she ís young
    ---->
 c, I didn't buy a new computer because I didn't have money
    ---->
  d, he is very short , so he can't play basket ball
    ----> he is