皮皮学，免费搜题
登录
搜题
【单选题】
疏松结缔组织中能合成和分泌免疫球蛋白的细胞是()A.
肥大细胞
B.
成纤维细胞
C.
纤维细胞
D.
巨噬细胞
E.
浆细胞
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】--What kind of job have you ever done before? --Oh, I _________ for an engineering company for three years,
A.
work
B.
have worked
C.
worked
D.
had worked
【单选题】Have you ever had a case _____someone accused you of doing something you hadn’t done?
A.
which
B.
that
C.
where
D.
when
【单选题】—Have you finished your homework? —Not . There are still some exercises to be done.
A.
already
B.
ever
C.
yet
【简答题】完形填空。 Have you ever regretted doing something you shouldn't have done or something you didn't do which you should have? At one time or another we probably all have. There's no 1 in getting depressed a...
【单选题】What at 7 o’clock yesterday evening? [ ]
A.
have you done
B.
were you doing
C.
had you done
D.
could you do
相关题目：
参考解析：
知识点：
题目纠错 0
发布
