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

相關習題
 0  94068  94076  94082  94086  94092  94094  94098  94104  94106  94112  94118  94122  94124  94128  94134  94136  94142  94146  94148  94152  94154  94158  94160  94162  94163  94164  94166  94167  94168  94170  94172  94176  94178  94182  94184  94188  94194  94196  94202  94206  94208  94212  94218  94224  94226  94232  94236  94238  94244  94248  94254  94262  151629 

科目： 來源：不詳 題型：單選題

This approach, ______ more expensive than the basic one, provides us with considerably more usage flexibility.
A．asB．sinceC．whileD．if

查看答案和解析>>

科目： 來源：不詳 題型：單選題

I think you should complain, _____, of course, you are happy with the way things are.
A．untilB．althoughC．whenD．unless

查看答案和解析>>

科目： 來源：不詳 題型：單選題

Mary and I have been close friends ______ we met each other 10 years ago.
A．whenB．sinceC．untilD．as

查看答案和解析>>

科目： 來源：不詳 題型：單選題

They were surprised that a child should work out the problem____ they themselves could not.
A．onceB．unlessC．whileD．if

查看答案和解析>>

科目： 來源：不詳 題型：單選題

_________ advertisements are of great help, I don’t think we should entirely rely on them.
A．SinceB．WhileC．BecauseD．As

查看答案和解析>>

科目： 來源：不詳 題型：單選題

Try your best to help the people when they are in trouble, _______you will feel   pleased and happy.
A．unlessB．orC．andD．But

查看答案和解析>>

科目： 來源：不詳 題型：單選題

Growing up ______ Micheal Jordan was in his prime, Beijing native Wu You knew what he wanted to do
A．sinceB．whenC．untilD．before

查看答案和解析>>

科目： 來源：不詳 題型：單選題

____ Helen’s knowledge and vocabulary expanded, she asked more and more questions.
A．WhenB．WhileC．AsD．Before

查看答案和解析>>

科目： 來源：不詳 題型：單選題

—Won't you go shopping with your mother?
—No.________ she promises to buy me a new sweater.
A．Now thatB．If onlyC．As thoughD．Unless

查看答案和解析>>

科目： 來源：不詳 題型：單選題

He had his camera ready____ he saw something that would make a good picture.
A．even ifB．if onlyC．in caseD．so that

查看答案和解析>>

同步練習冊答案