-______ does it take you to water the flowers?-Thirty minutes.
Which of the following sentences is RIGHT?
--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.