宣言信托必须是他益信托。
参考答案：对
—Did you see a man in black pass by just now?
—No, sir. I ________ a newspaper.
A．read
B．was reading
C．would read
D． am reading
数据9.30，9.05，9.10，9.40，9.20，9.10的众数是______；中位数是______．
