1._____they wanted to go out,they could always count on me t

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/12 09:30:56

1._____they wanted to go out,they could always count on me to stay with baby.
B.If C.On condition that
if=On condition that 但为什么只能用If?
2.The train leaves at 6;00 pm.So I have to be at the station______5:40pm at the latest.A.until B.C.by
两者都是直到,但为什么只能用by?

1、if 是“如果”的意思,表示假设某种情况,这个句子的意思是“如果他们想要出去,可以叫我替他们看孩子”；
而 on condition that 在多数情况下是“只要”的意思,通常不放在句首.如：You can use the bicycle on condition that you return it tomorrow.只要你明天归还,自行车你可以拿去用.这道题用的是虚拟语气,明显是表示假设的,所以用if.
2、until 用于肯定句时,句中谓语动词常表示持续性动作,句意为“持续性动作到……（时）为止”She went on reviewing chemistry until（或till）after 12 o’clock at midnight.她持续复习化学直到半夜12点以后.
这道题中,i have to be at the station,我得到达车站,“到”的动作只是一时的,不是持续的,所以不用until.

1._____they wanted to go out,they could always count on me t Don't count on me 还是Don't count to me? They wanted to learn _____ they could my parents don't like me to go out on school{　　　　｝ My parents don't allow me to go out on school midnight.(同义句转 My parents don't allow me to go out on school nights同义句翻译They always have someone to count on of times in trouble They wanted to make me I always wanted to forget you,but I didn t know I could only You Can't Count on Me 歌词 1.The dogs always noisy and try to jump on me when i go to v they always go to watch a movie on Saturday 改同义句 they always