— He __________newspaper in the study.
A:reads
B:read
C:is reading
D:has read
如图,弹簧测力计下悬挂重为16N的物体,当把物体浸没在水中时,测力计的示数为10N,此时容器中水的深度为0.3m,ρ水=1.0×103kg/m3,g=10N/㎏。
求:
—Who is __________ young man with long hair?
—He's a friend of mine.