I_____ for my uncle since three o'clock,but the plane hasn't arrived yet. A .have arrived B.waitedcwill wait D.am waiting 选哪个? 为什么?

I_____(plan) for my study. I_____ for my uncle since three o'clock,but the plane hasn't arrived yet. A .have arrived B.waitedcwill wait D.am waiting 选哪个? 为什么? I_____(plan) for my study.横线上怎么填? MY uncle left lanzhou two years ago .(同义句） MY uncle （ ) ( ) ( ) ( )lanzhou for two years. My uncle has hamburgers for lunch.改一般疑问句 My uncle works for a soaaer club改为一般疑问句 haven't heard from my uncle for years. my uncle has [hamburgers] for lunch划线部分提问 I will stay my ___(uncle) for the weekend. my uncle will go to the USA for f______ study 连词成句 my,writes,uncle,stories,children,for(.) My uncle is very good___me.A.for B.to writes,for,tvshows,the,he,uncle,my连词成句 My uncle bought a h____ turkey for Thanksgiving Day. My uncle left for London two weeks ago.句意不变My uncle has ------- -------- London for two weeks. my parents have promised to come to see me before I_____(leave)for Africa my uncle will leave for Beijing next week.{对划线部分提问] ____ ____ _____ uncle leave for Beijing? what shall I_____ my prandpa_____ his birthday?A get of B buy for C find for D give of