【题目】When we realize yesterday is gone forever, we find we are growing up ________.( )
A.little by little
B.step by step
C.one by one
D.side by side
【答案】A
【解析】
本句的意思是‘当我们意识到昨日已远去时，我们正一点点（逐渐）长大。
A.little by little，一点一点地，逐渐地；B. step by step 一步一步地，C. one by one一个一个地D. side by side肩并肩地。故选A。
