15. Not until father came in ______ to prepare my lessons.
By the time Einstein was 14 years old, he himself advanced mathematics.
George returned after the war, only that his wife had left him (2012 . 山东)
--- You could always put the decision off a little bit longer. --- If I leave it much longer I might miss my chance.(2011.江苏) That’s reasonable advice. Isn’t it a good idea? C. Do you think so? D. I can’t agree more.
--- Look, here comes your dream girl. Invite her to dance. --- . What if she refuses me? (2012.重庆)
--- Can I have a day off tomorrow, Mr. Johnson? --- .I can manage without you. (2012 ·天津)