在△ABC中,D为AB的中点,AB=4,AC=7,若AC上有一点E,且△ADE与原三角形相似,则AE=_________ 。
The little boy still needs the________20 dollars to do with some things________.
A.remaining;remained to be settled
B.remaining;remaining to be settled
C.remained;remained to settle
D.remained;remaining to settle
C货又称(),A货是()。