房性早搏是什么意思

He can't help us do it ,I think(改为含宾语从句的复合句)I don't think he can heip us do it为什么don't think 能用而think that不能用?除了think这样的单词以外还有那些单词在复合句中有否定意思的要提前? I think+句子 宾语从句I think+句子 成宾语从句 举例子 说出原因再把 上句变成否定句 My have eyes but l am a f____ of a boy aged 15 I am a boy. I am a boys这句话对吗? 语法题目请分析这种有逗号的句子什么属性谢谢Beside( ),he had to pay back all the money he had receiced from bribes.A.jailingB.being jailedC.to be jailed D.jailed为什么不能选C 请问这句语法有问题么.逗号连接?I signed up for a group work,a program our school carried out for us. 英语句子语法分析,语法达人进1You must finish your homework before you go out.2You will be late if you don't hurry up.都是条件句,时态怎么用? 英语翻译专业翻译下 非诚勿扰 To love and win is the best thing.To love and lose,the next best 翻译中文 句子 Spell it ,please 还可以表达为（ ）例I'm Alice.还可以表达为 My neme is Alice. Please spell it.的同意句 shall we go by bus or take a record TV programs是什么意思 relaxing什么意思 你的眼睛很好看翻译成you.do.have.nice.eyes! TV programs 和 TV programmes 有什么区别? Maybe-you thank i have changed in your eyes谁帮我翻译一下, transmit TV programs and broadcast radio news through relaxing的比较级是什么 break your heart歌词中文谐音不是要中文翻译、而是谐音歌词 break your heart 汉译 能在一个句子后用逗号,然后直接加词组作伴随状语吗?为什么的? 在现代文学中,句首状语后一定要加逗号吗?有时候觉得没必要用逗号.如“为此”、“现在”等词作句首时,后面不用逗号是否行得通? 是不是不定时做状语时,不能用逗号与句子隔开；而动词Ing形式做状语时,必须用逗号与句子隔开? unlike可以直接放在逗号后面引导一个句子做状语或其他成分么? on TV什么意思? gandhi on non violence是什么意思 on TV seen as on he say it is delicious 改为疑问句 ------ -----he------ -------the food?