题目

发育为花生的食用部分的是（ ） A . 子房壁 B . 胚珠 C . 子房 D . 受精极核 答案：BChatting on the Wechat (微信) ________me too much time. From now on, I won’t _______much time on it.A. cost, spend B. takes, payC. spend, take D. takes, spend