问题
选择题
The little trees I grew by myself is growing__________. [ ]
A. day and night
B. day after day
C. day by day
D. day and day
答案
答案：C
搜题请搜索小程序“爱下问搜题”
The little trees I grew by myself is growing__________. [ ]
A. day and night
B. day after day
C. day by day
D. day and day
答案：C