It is as big as before.句中的before是什么词性我知道第二个as为连词.但是我搞不懂句中的before是什么词性,它是副词、介词还是其它?

Their school is as big as() It is the size of a laptop computer.的同义句 It is as big as a laptop computer可不可以? this bag is (A.big as twice as B.as twice big as C.twice as big as D.twice as bigger as)that one.选哪个? as it is The earth isnot as big as the sun ,is it?A Yes,it is B NO,it is C Yes,it isnot DNo,it isnot This classroom is ________ yours.A.three times big as B.as three times big asC.three times as big as D.as big three times as This classroom is ________ yours.A.three times big as B.as three times big asC.three times as big as D.as big three times as How big is your dog?Mine is______yours.A.as twice big as B.twice as big as leave it as it is their school is as big as ours同意短语 翻译This is four times as big as that one. This room is twice as big as that That is as big as a small city.怎么翻译 it is as clear as daylight that 1.This is ----book---i'd like to read it once more.A.such an interesting,that B.so interesting,that C.such an interesting,as D.a so interesting,as2your house is --- mineA.twice as big as B.twice as bigger as C.as twice big D.as big as twice怎么理 The earth is about ___the Mars.A.half as big as B.four times as big as C.one third as big as The earth is ---- the moon A.as 49 times big as.B.49 times as big as.C.As big as 49 times🐶😊拜托拜托🙏 The earth is about ----as the moon.A.as fifty time big.B.fifty times as big.C.as big fifty times.D.fifty as times big