come from So do they
too...to （太……以至于不能……）
as fast as I can(as.as 就是和……一样)
How often the dentist
require me to once （require sb.to do sth.要求某人干某事）
very that was invited to （用was invited是因为“被邀请”,而且别人已经邀请你叻 所以用was）
forgot writing
at the same time 在一时刻 one after another 或者ne by one