________ woman is Daniel’s mother—The one in the red coat.

— Have you seen Tony recently? — No, but I _____ dinner with him on Sunday. [ ]

Yuan Longping has devoted all his life _______ the research and the _______ of the rice plants.

Can I help you–_________I want a skirt.

16．—Where is Lily, Lucy? I cannot find her anywhere. —She_________have been off long. I saw her clean the window just now.