I wrote down the date of his birthday lest I should forget it.为什么后面用should?

this is the book _____which I wrote down many note . Back in the room I wrote the boy's temperature down...Back in the room的语法是怎样的? I wrote down the date of his birthday lest I should forget it.为什么后面用should? I wrote down the name of the hotel for further r______.此空填remarks 还是reference?s I filled in the form and wrote down typing as my training course中的filled in form 的意思? I filled in the form and wrote down typing as my training course.句中的as是否应该换成is? he wrote down the letter before it in the alphbet 请问I am the person who wrote read to “Do you want me to read to you.”前面是Back in the room I wrote the boy's temperature down... I wrote down something about the visit to the Bird's Nest___memories were still fresh. 答案是while ; when 为什么不行?请详解! 1.It is not easy to work out the problem.(改为同义句) To work out the problem____ ____ ____.2.I wrote down his terephone number.I want to remember his telephone number.(合并为一句）I wrote down his telephone number____ ____ ____.3.We shoul I wrote these words down __ I should forget.为什么填lest? My teacher gave me some a ____ and I wrote down. if i don't ___ them____i should probably forget all about them.A wrote..down Bwrite..down He was so c___ that he wrote down the wrong number. he wrote down his name on the s______.有比Stone更好的答案么, the police wrote down my name的否定句怎么写?我有急用! I think oue boat can pass the treacherous water _____cautiously handledA.until B.if C.lest D.with I wrote these words down ___I should forgetA.for B.so C.lest D.since最好说明理由,