Therearemanyapples　　　thetree.Abird　　　thetreeiseatingana...

問題詳情：

There are many apples 　　　the tree.A bird 　　　the tree is eating an apple. 

;on                        ;in

;at                         ;of

【回答】

B

知識點：介詞和介詞短語

題型：選擇題