tow hours在什么情况下用for two hours

tow hours在什么情况下用for two hours for tow hours He works for tow hours(对for tow hours提问) The meeting lasts for tow hours 中文 Lunch is served in the dining room for tow hours 什么意思 英语翻译i exercise for（）（）tow hours erery day I have art lessons for tow hours 划线部分是for tow hours ,对划线部分提问 we aer having the school spots meeting now 用next week 替换now 改写the students are ging to stay in the gym for tow hours 对划线部分提问 for tow hours 关于过去完成时能否用forBy twelve o'clock,I had worked ten hours.这句话中能否在worked后面加for?加了会是什么含义?那能否说下for在什么情况下可以省略？在这句话中已经省略了？ We came here tow hours ago.(改为同义句)We ___ ___ ___ for two hours. 在什么情况下用. He must remain in bed for another two days.He can get upt for about tow hours each day. 其中的单词about在这里是什么意思? 固定短语“wait for”在什么情况下使用? 在什么情况下过去式与for 一起连用 how long have you been playing basketball ?A .sometimes B .in tow days C. for tow hours 在什么情况下,用什么介词在什么情况下用 at for in on of……这类的词语 越全面越好 C语言在什么情况下用 for do-while while 循环 the first time 和for the first time 分别在什么情况下用?