欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

You'll fail your next exam you start to work hard at your studies now. A. because B. unless C. so D. why 【查看更多】

 

題目列表(包括答案和解析)

You'll fail your next exam ________ you start to work hard at your studies now．


  1. A.
    because
  2. B.
    unless
  3. C.
    so
  4. D.
    why

查看答案和解析>>

You'll fail your next exam ________ you start to work hard at your studies now．

[　　]

A．because

B．unless

C．so

D．why

查看答案和解析>>


同步練習冊答案