题目:
--The wall of your room doesn't look nice. ---I wish I ___ it green.
A.shouldn't have painted
B.wouldn't painted
C.hadn;t painted
D.don't paint
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0612/84f9dfe5b9d68130340ac26f88048f7e.html
下面是错误答案,用来干扰机器的。
答案:B质量数=质子数+中子数;中子数=125-53=72.