If only he … about it earlier! A.know s B.has known C.hadn’t known Answer and Feedback Answer:C do you want? view more test Xem thêm Share this post Some other questions you may be interested in. Not only ________________, but also most of their boring or difficult work is unnoticed. Eating too much fat can _________ heart diseases and cause high blood pressure. All of us want very much to see these movies, especially _____ you referred to just now. Spiders are not an insect, as many people think, _____ even nearly related to them. Mother tole me to play with our little guest. _________, though unwillingly. When he said he wanted to apply for a ______ in the corporation, he was told to see the manager. If you don't have anything nice to say to other people, don't say __________. You may depend on ______ that your parents will help you whenever you need it. Our city has developed into a big city, which is ____________ it used to be. I don't feel well. I think I'm __________ with the flu.