中医学中，广义的"精"是指（）。
A.气
B.血
C.津液
D.一切精微物质
E.食物中的营养物质
参考答案：D
He said he _____to the beach every Saturday.
A．go
B．goes
C．went
D．going
---Where is your father?
---He isn’t here. He __________ Yushu to help the people in trouble.
A．has gone to
B．has been to
D．is going
