中央气象台2010年1月3日晨拉响寒潮和暴雪橙色警报。首都机场出港航班取消127班,延误280班。天津市教委研究决定,全市中小学及中职学校4日停课一天。这说明
—The green bag reminded the old man _____ the days when he was young.
. —We find ______ impossible for us to learn a foreign language well in a short time.
—You should spend as much time as you can_____the piano.
—Do you know ______ I could pass the exam? —Sorry, I‘ve no idea.
—Who’s the most modest boy in your class? —Daniel.He never___ in public.