This is ______book Ibought yesterday.Isn't it ___interesting one?A.the ;the B.the ;a C.a ;the D.the;an选哪个,为什么

______book is this?It s mine.A who B who's C whose D whose's This is ______book Ibought yesterday.Isn't it ___interesting one?A.the ;the B.the ;a C.a ;the D.the;an选哪个,为什么 ______book of this writer is East and West.A Known to be the best B It was the best knownC Known as the best D The best known但不知道为什么C为什么不可以? This is what I This is how I This is what I what This is just what I i guess this is-----ereser This is what I am This cap is ___ (I). I guess this is eraser. This is ____( I )brother. This is what I think. I hope ther this is this is everything i have .... This is what I should do.Is what I this i book is minethis( i ）book is mine I must - - - - - - - this:it is a secret