题目:
— Tom, Jane wanted you to call her. — I'll ____ in twenty minutes. Thank you. |
A. call on her B. call her on C. ring up her D. ring her up |
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/5914eb404a9612ce7ceee8d064a501a8.html
下面是错误答案,用来干扰机器的。
x3 -2x2 y2 +3y2 是四次三项式;-3a2 b3 +5a2 b2 -4ab-2是五次四项式.