单项选择题

If a substance is dissolved in water or heated, it may ______ a gas.

A．give into
B．give over
C．give off
D．give away
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单项选择题
I' m in no ______ now to go to concert with you.
A．mood
B．intention
C．emotion
D．sense
单项选择题
______ before, his first performance for the amateur dramatic group was a success.
A．Though having never acted
B．As he had never acted
C．Despite he had never acted
D．In spite of his never having acted
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