单项选择题

Questions 14 - 16 are based on a talk of email and instant messages. You now have 15 seconds to read Questions 14 - 16. What are often used in emails and instant messages

A．New words.
B．Pictures.
C．Short forms.
D．Capital letters.
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单项选择题
A．expandB．transformC．economizeD．propagate
A．expand
B．transform
C．economize
D．propagate
单项选择题
A．inB．onC．aboutD．at
A．in
B．on
C．about
D．at
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