请选择DCBA8W:L.Q,m3V9G/w Lucy: Where is my book?4C7h.M
Lily: ___________4C7h.M
A. Open the window.4C7h.M
B. It’s purple.4C7h.M
C. It’s on the desk.4C7h.M
D. There are three.4C7h.M