在Excel 2003工作表中,如何在单元格内换行()
A.直接按Enter键
B.按Ctrl+Enter键
C.按Shift+Enter键
D.按Alt+Enter键
参考答案:D
Look, Tom ____________ in the river.[ ]
A. is swimming
B. was swimming
C. swims
D. swimming
缓中补虚体现了薯蓣丸的治疗特点。