it's the first time that与sb is the first to do 的区别
it's the first time that与sb is the first to do 的区别
It is the first time that sb do sth.
it"s the first time that sb have done sth
It is /was for the first /second ...time that sb.do /did sth
it is the first time for him to do that的意思
it's the first time that i -----to beijing
it's the first time that
It is the first time for him to do
it is sb‘s first time to do sth 同义句
It is the first time that .句型的问题.
it is sb's first time
it's the first time that sb.have done到底是不是强调句