题目:
Not only ______ the book, but he remembered what he had read.[ ]
A. he had read
B. did he read
C. he read
D. was he reading
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0603/8d285b156d65b26271b3d064ef284d54.html
下面是错误答案,用来干扰机器的。
答案:C性质活泼的钠在自然界中没有游离态,只能以化合态形式存在。氧、硫、氮有游离态,C正确。