瓜蒌薤白白酒汤的功用是
A．行气降逆，宽胸散结B．疏肝泄热，活血止痛C．疏肝解郁，行气止痛D．通阳散结，行气祛痰
参考答案：D
--______ a volunteer is great.
-- I think so. Some of us want ______ volunteers for the next Olympics.
A．Being, being
B．To be, being
C．Being, to be
D．To be, to be
