在干燥过程中能去除的水分是（）
A.吸附水分
B.毛细管水分
C.平衡水分
D.自由水分
参考答案：A, B, D
His father _______ in Beijing last Wednesday. But he _______ in Shenyang now. [ ]
A. is; was
B. was; is
C. were; is
D. were; was
《京津泰晤士报》
