14) He ____ for three years.B) has been in the army√ C) has been serving in the army× 选b,为什么c不行?17) The company ____ a rise in salary for ages,but nothing has happened yet.A) is promised× C) has been promising√ 选c,为什么a不行

对括号部分提问 对括号部分提问She plays the（ piano for 2 hours）.Thre（ lots of books） on the desk.He has got some（ American books.）He does his homewoek (everyday) He ____(leave) for Japan tomorrow morning He reads English for thirty minutes every morning.转换 He ____ ____ ____ ____ ____ English every He hiccupped for two years 对划线部分提问for two years____ ____ ____ he ___? He stopped smoking for three years的同义句 He ____ ____ smoking for three years When he gets tired,he ____(sleep)for a while He hiccupped for 69 years and 5months 提问 for 69 years and 5months____ ____ ____ he ____? 1、When I hide,he tries his best to hunt for me ____ ____ ____ ____ ____(睁大眼睛） He isn't fate for the meeting 如何改为祈使句____ ____ ____fate for the meeting he thinks walking is good for us.(同义句)he ____ _____walking______good for us. he thinks walking is good for us.(同义句)he ____ _____walking______good for us. He is never late for class,____he?- -____,sometimes he ____(die) last year.he____(die)for one year He ____(leave) for shanghai tomorrow. 拜托快些啊! He ____ me _____ for a long time yesterday. Has he ____(wait) for an hour yet? He always makes his class ____(fun) for us. He came late ____ work.用to还是for?