—Who do you think ________the book here?
题型：选择题
问题：
—Who do you think ________the book here?
—It may be John.He was sitting here all the morning.
A．was leaving
B．leaves
C．had left
D．has left
题型：选择题
窗体中有图片框(Picture1)和计时器(Timer1)两个控件。程序运行时，将图片加载到图片框中，然后图片框以每秒一次的速度向窗体的右下角移动，每次向左、向右移动 300twip。请在程序空白处填入适当内容使程序完整。
Private Sub Form_Load()
Picture1.Picture = LoadPicture("c:\My Documents\图片\Qian1_Icon02.ico")
______
End Sub
Private Sub Timer1_Timer()
Static x, y As Integer
x = x + 300
y = y + 300
Picture1.Move x, y
End Sub