I have _____ apples and _____ milk than you.
--What's wrong with your uncle?--- We're sure____ something is wrong with him, but we doubt_____ the disease can kill him.
---Would you mind my sitting here?---______! The man next to me has just gone. The seat is empty now.
-- What's the skirt made of? -- It soft.. Maybe it's silk.
-- Helen, do you know if Martin to my party next week? --- I think he will come if he free.
The computer requires _____. I think I need ______ to ask Mr. Zhang for help.