单项选择题

Having your smartphone or computer ______ may cause a lot of trouble to you.

A．damaged
B．damage
C．damaging
D．to damage
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单项选择题
We will inform you of the result ______ the program is approved by the board.
A．in order that
B．as if
C．even though
D．as soon as
填空题
What should people do in listening to each conversationTry to notice the ______
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