待解决的化学生活问题

I didn't understand what you said it's too hard what shall we do if it____tomorrow.A:rains B:rain C:will rain D:is raining 应该选哪个 3、(单选题) What would you do if it ____ tomorrow?A、rain B、is raining C、will rain D、rains 25.the 7:30 train from Paddington.A.caught B.to25.the 7:30 train from Paddington.A.caught B.to have caught C.to catch D.having caught Shall we take the 10:30 train?No.If we took that train,we would arrive too late.翻译 You _____ catch the 9:30 train to Paris. i got to the office early that day,____ the 7:30 train为什么用having caught而不是to catch My watch doesn"t work ,I must have it repaired这里的repair为什么用过去式呢求解释我知道这里是有一个关于have的固定短语求支出 have sb have sth什么的 my watch doesn't work .I must have it repard Look,my watch________,it must be broken.A.works B.stops c.won't work D.doesn't walk这道题应该选什么 how many workers are there in your factory改为同义句 选择填空.1.How many workers are there in your factory?There are two____A.hundreds B.hundred C.hundred of D.hundreds of2.The price of these clothes is_______than before.A.very expensive B.more expensive C.much higher D.more high3.Li lei did very w there are 2000 wokers in that factory .______ ______ _______ workers in that factory _______2000. Saturday Train 歌词 My watch doesn't work.I'll get it__(repair) the train i ride 歌词 Just missed the train 歌词 My watch doesn't work?=同义句 英语翻译 19. There are five _____________ (thousand) workers at that factory20. Three fifths population of this city _____________ (be) from other cities.21. I _______________ (study) English at this school for three years.22. Do you have any problem ________ I only hope that we can together feverer!是什么意思 英语（按要求写句子）1、I’m fine(画线部分提问)画fine2、Is KangKang from Japan?(否定回答)NO,____ _____3、We are from Cuba(画线部分提问)画Cuba _____ _____ ____from4、They're DingDing and Nana(画线部分提问)画DingD the train passed at a terrific speed The train (past)(passed) at a terrific speed.选哪个,为什么呢? The time of life is short ,to spend that shortness basely,it would be too long中文意思是什么 peoples,people,the people 区别 i got the day off.i have the day off from work.是我请假了,还是放假了? 帮我看看这几道英语题怎么做吧,在横线上填上适当的介词 the train passed ——a tunnelhe played a joke——me——pretending he is lost the ticketi have just heard on the radio that Nanjing Road is jammed — 英语中表示人们是people's还是peoples' half an hour passed since the train leaved.中文翻译 keep doing sth.造句新手帮帮忙 people有复数peoples的情况吗我看到有一个文章里“Peoples who occupined North America before the arrival of the European..." 这里peoples是不是错了?