问题
选择题
Her sister suggested to the Great Wall. [ ]
A. go
B. going
C. to go
D. went
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Her sister suggested to the Great Wall. [ ]
A. go
B. going
C. to go
D. went
答案：B
学校化学实验室有一瓶放置很久的氢氧化钠试剂，不知是否已变质，化学课代表小张很快帮助老师进行了鉴别，请你跟小张一起完成实验报告．
| 实验步骤 | 实验现象 | 结 论 |
| 取样，滴加盐酸 | ______ | 氢氧化钠______（填“已变质”或“没变质”） |