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

I failed in the final exam last tem. Only then        the importance of studies.

Only with this method_____to make progress in your maths study .

. _____ that they had made an important discovery in science.

— Why weren't you at school yesterday morning, Li Lei?  — ________, sir.

________ he is ,he seldom shows his precious coins to others.

______ that another miner has been rescued from the flooded Wangjialing coal mine.

__________ entered the office when he realized that he had forgotten his report．

If Bob's wife won't agree to go on a holiday in winter,___________.
A. neither he will     B. neither won't he   C. neither will he       

Next door to ours _____, who has just retired from work.

So _____ that modern industry cannot develop without it.