参与前臂旋后的肌是( )
A．肱二头肌B．肱三头肌C．肱桡肌D．三角肌E．肱肌
参考答案：A
--- Can you tell me how to improve my English?
--- Do more speaking, I think , ________you will be good at spoken English.
A．or
B．for
C．and
D．until
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