you'd better go to Beijing by train,for the train ticket is_____
you'd better go to Beijing by train,for the train ticket is_____the plane ticket.
A.as cheap three times as B.three times cheaper than
C.as three times cheap as D.cheaper three times than
At a rough estimate,Nigeria is _____Great Britain.
A.three times the size as B.the size three times of
C.three times as th size of D.three times the size of
讲一下语法,好的会追加分数