皮皮学，免费搜题
登录
搜题
【判断题】
( )滴定管装水检漏时,把它垂直夹在滴定管架上,放置五分钟,观察是否有水滴滴下即可使用。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】—Do you remember _____ he came? —Yes, I do. He came by car. [ ]
A.
how
B.
when
C.
that
D.
if
【单选题】When I came back,I noticed that he was still sitting in the office.He seemed_________ for someone.
A.
waited
B.
to have waited
C.
to be waiting
D.
to wait
【单选题】I didn’t know when he back. He said he would call me when he home.
A.
will come; gets
B.
came; got
C.
would come; got
D.
came; would get
【单选题】--- Were you at school when he came to see you ? ---- Yes, I __________ a math class .
A.
had
B.
was having
C.
am having
相关题目：
参考解析：
知识点：
题目纠错 0
发布
