在进行串行通信时，下列选项当中需要把串行数据转换为并行数据的是（）。
A. 发送端
B. 接收端
C. 发送端和接收端
D. 以上都不需要
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Running is fun! Why not___________ ?
The time for people to think more about showing thanks is ________.
It is now very common for people to use_________ to thank the volunteers.
What may give the volunteers a sense of belonging (归属感) is to hold ___________ in the office.
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