31. Save some money 　________　　 yourself, and then you can buy a car 　_______

問題詳情

31. Save some money 　________　　 yourself, and then you can buy a car 　________　　 your own.
(A)　of; on
(B) by; of
(C) by; by
(D) of; of

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)